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RRB- Technical Category

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- 1 Answered
- 2 Marked
- 3 Not Answered
- 4 Not Visited

We can subtract two matrices A and B if their

We can subtract two matrices A and B if their

1 Mark(s)

Product of roots of \( ax^2 + bx + c = 0\) is

Product of roots of \( ax^2 + bx + c = 0\) is

1 Mark(s)

A circle has only one
A circle has only one
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*

1 Mark(s)

Simple interest on a certain sum is \(\frac{1}{16}\) of the principal. If the numbers representing the rate of interest in percent per annum and time in years be equal, then the rate of interest is

Simple interest on a certain sum is \(\frac{1}{16}\) of the principal. If the numbers representing the rate of interest in percent per annum and time in years be equal, then the rate of interest is

1 Mark(s)

A sum of Rs.20000 is lent partly at 8% and remaining at 10% per annum. If the average yearly rate of interest is 9.4%, then the sum lent at 10% is
A sum of Rs.20000 is lent partly at 8% and remaining at 10% per annum. If the average yearly rate of interest is 9.4%, then the sum lent at 10% is
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*

1 Mark(s)

Quotient of two numbers or algebraic expressions is called a
Quotient of two numbers or algebraic expressions is called a
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*

1 Mark(s)

Only trigonometrical ratio whose value can be greater than 1 is

Only trigonometrical ratio whose value can be greater than 1 is

1 Mark(s)

In matrices \((AB)^{-1}\) equals to

In matrices \((AB)^{-1}\) equals to

1 Mark(s)

Set of all ordered pair (x, y) which satisfies system of equations is called
Set of all ordered pair (x, y) which satisfies system of equations is called
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1 Mark(s)

If height of wind mill is 95 m and its shadow is 65 m then angle of elevation of sun at that particular moment is
If height of wind mill is 95 m and its shadow is 65 m then angle of elevation of sun at that particular moment is
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*

1 Mark(s)

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:

A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:

1 Mark(s)

Compound interest on Rs 1000 for 3 year compound annually at 10% per annum is
Compound interest on Rs 1000 for 3 year compound annually at 10% per annum is
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*

1 Mark(s)

The compound interest on Rs 10,000 for 1 year at the rate of 8% per annum compounded half yearly is
The compound interest on Rs 10,000 for 1 year at the rate of 8% per annum compounded half yearly is
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*

1 Mark(s)

The Compound interest on Rs 8000 for \(\frac{3}{2}\) years at 20% per annum compounded half yearly is

The Compound interest on Rs 8000 for \(\frac{3}{2}\) years at 20% per annum compounded half yearly is

1 Mark(s)

The simple interest on Rs720 for years at 6%, per annum is
The simple interest on Rs720 for years at 6%, per annum is
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*

1 Mark(s)

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

1 Mark(s)

Generally elements of a matrix are denoted by
Generally elements of a matrix are denoted by
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*

1 Mark(s)

An expression of form \(\frac{N(x)}{D(x)}\), where N and D are polynomial in x with real coefficients and D(x) not equal to zero is called

An expression of form \(\frac{N(x)}{D(x)}\), where N and D are polynomial in x with real coefficients and D(x) not equal to zero is called

1 Mark(s)

When a circle is drawn through its four vertices, a quadrilateral is said to be
When a circle is drawn through its four vertices, a quadrilateral is said to be
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*

1 Mark(s)

The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
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*

1 Mark(s)

The last day of a century cannot be

The last day of a century cannot be

1 Mark(s)

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

1 Mark(s)

Two chords of a circle which are equidistant from centre are
Two chords of a circle which are equidistant from centre are
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*

1 Mark(s)

A system of equations having a common solution is called a system of
A system of equations having a common solution is called a system of
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*

1 Mark(s)

If 6th March, 2005 is Monday, what was the day of the week on 6th March, 2004?

If 6th March, 2005 is Monday, what was the day of the week on 6th March, 2004?

1 Mark(s)

A line segment determined by centre and a point on circle is called
A line segment determined by centre and a point on circle is called
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*

1 Mark(s)

A loan of Rs.25500 is to be paid back in two equal annual instalments. If the rate of intcres charged is 4% per annum, compounde annually. Then each instalment will be of Rs.
A loan of Rs.25500 is to be paid back in two equal annual instalments. If the rate of intcres charged is 4% per annum, compounde annually. Then each instalment will be of Rs.
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*

1 Mark(s)

A loan has to be returned in two equal annual installments. If the rate of interest is 16% per annum compounded annually and each installment is of Rs 3364, then the loan is of Rs

A loan has to be returned in two equal annual installments. If the rate of interest is 16% per annum compounded annually and each installment is of Rs 3364, then the loan is of Rs

1 Mark(s)

If Rs 500 amount to Rs 700 in 8 years the rate of simple interest is
If Rs 500 amount to Rs 700 in 8 years the rate of simple interest is
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*

1 Mark(s)

If a building is 65m above ground level and angle of depression of loader truck on level ground is \(51^o\) then distance of loader truck from building is

If a building is 65m above ground level and angle of depression of loader truck on level ground is \(51^o\) then distance of loader truck from building is

1 Mark(s)

Rajeev walks 40 meter towards east, then he turns 135º to his left and walks 60 m finally he turns to his right at 90º and walks 30 meter.
Rajeev walks 40 meter towards east, then he turns 135º to his left and walks 60 m finally he turns to his right at 90º and walks 30 meter.
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1 Mark(s)

a__bab__a__cb__ba__acb__ __aa
a__bab__a__cb__ba__acb__ __aa
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*

1 Mark(s)

Select the option which is different from other three alternatives.
Select the option which is different from other three alternatives.
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*

1 Mark(s)

__ab__aaaa__a__a__abaa__
__ab__aaaa__a__a__abaa__
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*

1 Mark(s)

(A + B)(A + B) means A is wife of B.
(A – B) means A is son of B.
(A × B) means A is father of B.
Then give the answer based on this statement
'P + Q – R × S'
means A is wife of B. (A + B) means A is wife of B.
(A – B) means A is son of B.
(A × B) means A is father of B.
Then give the answer based on this statement
'P + Q – R × S'
How is 'P' related to 'S'?
(A + B)(A + B) means A is wife of B.
(A – B) means A is son of B.
(A × B) means A is father of B.
Then give the answer based on this statement
'P + Q – R × S'
means A is wife of B. (A + B) means A is wife of B.
(A – B) means A is son of B.
(A × B) means A is father of B.
Then give the answer based on this statement
'P + Q – R × S'
How is 'P' related to 'S'?
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*

1 Mark(s)

Select the option which is different from other three alternatives.
Select the option which is different from other three alternatives.
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*

1 Mark(s)

Select the option which is different from other three alternatives.
Select the option which is different from other three alternatives.
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*

1 Mark(s)

6 : 14 : : 8 : ?
6 : 14 : : 8 : ?
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*

1 Mark(s)

Just after sun rising Seeta and Geeta were standing in an open field and talking to each other, if shadow of Seeta falls on left hand side of Geeta then in which direction was Seeta facing?
Just after sun rising Seeta and Geeta were standing in an open field and talking to each other, if shadow of Seeta falls on left hand side of Geeta then in which direction was Seeta facing?
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1 Mark(s)

1 Mark(s)

DFH, KNQ, VAF, ?
DFH, KNQ, VAF, ?
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*

1 Mark(s)

1 Mark(s)

1 Mark(s)

In a code language student is coded as densttu. Then, how is elephant coded as ____
In a code language student is coded as densttu. Then, how is elephant coded as ____
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1 Mark(s)

1, 2, 5, 10, 20, 50, 100, 500, ____
1, 2, 5, 10, 20, 50, 100, 500, ____
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1 Mark(s)

King : Throne : : Rider : ?
King : Throne : : Rider : ?
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*

1 Mark(s)

In a code language BRIC is coded as IYXR. Then, how is READ coded as____
In a code language BRIC is coded as IYXR. Then, how is READ coded as____
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1 Mark(s)

28, 38, 49, 62, 70, 77, ___
28, 38, 49, 62, 70, 77, ___
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*

1 Mark(s)

If 4th March 1980 falls on next day of Monday, then which day falls on 15th March, 1984.
If 4th March 1980 falls on next day of Monday, then which day falls on 15th March, 1984.
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*

1 Mark(s)

Accident : Carefulness : : Disease : ?
Accident : Carefulness : : Disease : ?
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1 Mark(s)

A cube is painted with red colours on its all faces. Then the cube is cut into 64 equal size smaller cubes. Find then, how many cubes are there which have four faces not painted?
A cube is painted with red colours on its all faces. Then the cube is cut into 64 equal size smaller cubes. Find then, how many cubes are there which have four faces not painted?
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1 Mark(s)

KMZS : HAPN : : GKTP : ?
KMZS : HAPN : : GKTP : ?
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*

1 Mark(s)

5, 3, 3, 5, 15, __
5, 3, 3, 5, 15, __
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*

1 Mark(s)

KMC, MQI, UAU, __
KMC, MQI, UAU, __
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*

1 Mark(s)

24 : 16 : : 63 : ?
24 : 16 : : 63 : ?
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*

1 Mark(s)

Rohtang pass lies in

Rohtang pass lies in

1 Mark(s)

Who was the founder of the Swaraj Party ?
Who was the founder of the Swaraj Party ?
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1 Mark(s)

Which one of the following had seconded the 'Quit India Resolution' of 1942 ?
Which one of the following had seconded the 'Quit India Resolution' of 1942 ?
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1 Mark(s)

Which one of the following is not a polymer?
Which one of the following is not a polymer?
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1 Mark(s)

The buildings known as 'Purana Qila' at Delhi were built by
The buildings known as 'Purana Qila' at Delhi were built by
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1 Mark(s)

Who among the following is known as the 'Napoleon of India' ?
Who among the following is known as the 'Napoleon of India' ?
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1 Mark(s)

Which of the following sanctuaries is not correctly matched with the specified protected species?
Which of the following sanctuaries is not correctly matched with the specified protected species?
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1 Mark(s)

A desert is defined as an area wher
A desert is defined as an area wher
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1 Mark(s)

Mega Food Parks scheme has been initiated by the Government of India with the objective

Mega Food Parks scheme has been initiated by the Government of India with the objective

1 Mark(s)

Which is the author of the book entitled, 'A Nation in the Making' ?
Which is the author of the book entitled, 'A Nation in the Making' ?
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1 Mark(s)

Which of the following is claimed to be the World's cheapest 'Tablet PC' ?
Which of the following is claimed to be the World's cheapest 'Tablet PC' ?
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1 Mark(s)

Which of the following is known as the 'Black Pagoda' ?
Which of the following is known as the 'Black Pagoda' ?
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1 Mark(s)

The Archaeological Survey of India was established in the period of
The Archaeological Survey of India was established in the period of
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1 Mark(s)

Which of the following is claimed to be the World's cheapest 'Tablet PC' ?
Which of the following is claimed to be the World's cheapest 'Tablet PC' ?
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*

1 Mark(s)

Who among the following was the Governor of Deccan for the major part of Sahjahan's reign?
Who among the following was the Governor of Deccan for the major part of Sahjahan's reign?
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1 Mark(s)

Which of the following is not true of atomic theory?
Which of the following is not true of atomic theory?
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1 Mark(s)

The term “Gypsophils” is associated with the people who have liking for which among the following?
The term “Gypsophils” is associated with the people who have liking for which among the following?
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1 Mark(s)

Which of the following is/are not included in Ohm’s Law?
Which of the following is/are not included in Ohm’s Law?
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1 Mark(s)

Ballistics is a branch of science that deals with which of the following?
Ballistics is a branch of science that deals with which of the following?
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1 Mark(s)

Which of these statements about atoms is/are correct?
Which of these statements about atoms is/are correct?
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1 Mark(s)

Human Papilloma Virus is related to which of the following diseases?
Human Papilloma Virus is related to which of the following diseases?
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1 Mark(s)

Anemophily’ is pollination by :
Anemophily’ is pollination by :
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1 Mark(s)

Which among the following element in the human body / organ makes the main basis of working of the MRI (Magnetic resonance imaging)?
Which among the following element in the human body / organ makes the main basis of working of the MRI (Magnetic resonance imaging)?
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*

1 Mark(s)

The insect “Apis mellifera” is commonly known as which among the following?
The insect “Apis mellifera” is commonly known as which among the following?
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1 Mark(s)

Which among the following comes under the study area of Psychrometrics?
Which among the following comes under the study area of Psychrometrics?
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1 Mark(s)

The term “Halitosis” denotes which among the following?
The term “Halitosis” denotes which among the following?
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1 Mark(s)

Which of the following is an instrument for measuring electric charge or electrical potential difference?
Which of the following is an instrument for measuring electric charge or electrical potential difference?
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1 Mark(s)

Which of the statements about quantum theory is/are false?
Which of the statements about quantum theory is/are false?
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1 Mark(s)

The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or
The phenomenon in which seeds germinate and seedlings grow while still attached to their mother plant before dropping down to establish themselves or
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*

1 Mark(s)

Which among the following is not a ‘heriditary’ disease?
Which among the following is not a ‘heriditary’ disease?
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1 Mark(s)

“Daps one” immunotherapy is related to which among the following diseases?
“Daps one” immunotherapy is related to which among the following diseases?
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1 Mark(s)

parallax of one arc second” is a unit of which of the following?
parallax of one arc second” is a unit of which of the following?
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*

1 Mark(s)

Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?
Which among the following Vitamin is added to the milk in some countries as it is lost during the process of Fat Removal (Skimming)?
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1 Mark(s)

The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually :
The nutritional supplements Spirulina, Chorella and the Vitamin-C supplement, Dunaliella are actually :
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1 Mark(s)

Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:
Pest-resistant cotton commonly known as ‘Bt-Cotton’ is genetically engineered by inserting a gene from a:
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1 Mark(s)

The term Cyberknife is most closely associated with which among the following?
The term Cyberknife is most closely associated with which among the following?
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1 Mark(s)

What is the average life of the Red Blood corpuscles?
What is the average life of the Red Blood corpuscles?
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1 Mark(s)

Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?
Deposition of which among the following in the joints, causing inflammation is reason of Gout, one of the forms of arthritis?
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*

1 Mark(s)

The property of a conductor that restricts its internal flow of electrons is:
The property of a conductor that restricts its internal flow of electrons is:
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1 Mark(s)

Electricity is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. Which of the following statements about electricity is/are true?
Electricity is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. Which of the following statements about electricity is/are true?
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*

1 Mark(s)

Because of the ban on hunting wolves, their population increased exponentially; within a few generations, their habitat had exceeded its __________ __________.
Because of the ban on hunting wolves, their population increased exponentially; within a few generations, their habitat had exceeded its __________ __________.
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1 Mark(s)

SOFAR is a phenomenon which plays an important role in submarine warfare & also known as deep sound channel. Which of the following is correct full fo
SOFAR is a phenomenon which plays an important role in submarine warfare & also known as deep sound channel. Which of the following is correct full fo
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1 Mark(s)

Newton’s laws of motion consist of three physical laws that form the basis for classical mechanics. Which of the following is/are not included in these laws?
Newton’s laws of motion consist of three physical laws that form the basis for classical mechanics. Which of the following is/are not included in these laws?
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1 Mark(s)

Protons, neutrons, and electrons differ in that:
Protons, neutrons, and electrons differ in that:
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1 Mark(s)

n physics, ____________ is the force that opposes the relative motion of two bodies in contact.
n physics, ____________ is the force that opposes the relative motion of two bodies in contact.
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1 Mark(s)

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