RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 1026

GK

In the following number-pairs, the second number is obtained by applying certain mathematical operation(s) to the first number. Select the number-pair in which the numbers are related in the same way as are the numbers of the following pairs. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding to/subtracting from/multiplying with 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 27, 135 33, 165

A

22, 110

B

35, 180

C

29, 125

D

19, 105

Question 1027

GK

A, B, C, D, J, K and L are sitting around a circular table, facing the centre of the table. Only three people sit between J and L when counted from the left of J. Only three people sit between K and C when counted from the right of C. D sits to the immediate right of K. A is an immediate neighbour of C as well as L. Who sits second to the left of B?

A

K

B

C

C

A

D

D

Question 1028

GK

What should come in place of the question mark (?) in the given series? 491 492 496 505 521 ?

A

541

B

531

C

546

D

536

Question 1029

GK

AHJQ is related to DJMS in a certain way based on the English alphabetical order. In the same way, MPVY is related to PRYA. To which of the given options is VVEE related, following the same logic?

A

YGHJ

B

YGFT

C

YXHG

D

YXGH

Question 1030

GK

Seven people, G, H, I, J, K, L and S, are sitting in a row facing North. Only five people sit between K and G. H sits to the immediate left of G. Only one person sits between H and S. L sits at some place to the left of J but at some place to the right of I. Who sits third from the left end of the line?

A

H

B

L

C

S

D

I

Question 1031

GK

If 1 is added to each even digit and 2 is subtracted from each odd digit in the number 9342865, then what will be the sum of the digits that are first from the left and first from the right in the new number thus formed?

A

9

B

10

C

8

D

7

Question 1032

GK

In a certain code language, 'MUTE' is coded as '4527' and 'TOPS' is coded as '1346'. What is the code for 'T' in that language?

A

1

B

4

C

3

D

2

Question 1033

GK

If 1 is added to each even digit and 3 is subtracted from each odd digit in the number 6798245, what will be difference between the highest and second lowest digits thus formed?

A

7

B

8

C

6

D

9

Question 1034

GK

P, Q and R invest a sum in the ratio of 3: 53:24, respectively. If they earned a total profit of ₹1,280 at the end of the year, then what is the difference between share of Q and R?

A

₹533

B

₹464

C

₹417

D

₹570

Question 1035

GK

A shopkeeper bought an article for ₹576. At what price should he mark the article to earn a profit of 15% after allowing a discount of 4%?

A

₹636

B

₹690

C

₹685

D

₹639

Question 1036

GK

The population of a district is 373000, out of which 227000 are males. 69% of the population is literate. If 69% males are literate, then what percentage of females are literate?

A

70%

B

69%

C

68%

D

67%

Question 1037

GK

The cost of 18 pens and 4 pencils is ₹200. If the cost of a pen decreases by ₹1 and the cost of a pencil increases by ₹3, then the cost of 19 pens and 3 pencils is ₹151. What is the original cost of 12 pens and 10 pencils?

A

₹430

B

₹434

C

₹429

D

₹433

Question 1038

GK

If 77% of first number is equal to three-fourths of second number, what is the ratio of first number to the second number?

A

75:77

B

75:15

C

74:22

D

73:13

Question 1039

GK

Two pipes can fill a cistern, individually, in 70 min and 30 min, respectively. There is a pipe located at the bottom of the cistern to empty it. If all the three pipes are opened simultaneously, then the empty cistern gets filled in 28 min. How long will the pipe at the bottom of the tank take to empty the completely filled cistern if no other pipe is then open?

A

80 min

B

84 min

C

81 min

D

67 min

Question 1040

GK

ABCD is a trapezium in which BC $\|$ AD and AC = CD. If $\angle ABC = 40^\circ$ and $\angle BAC = 120^\circ$, then what is the measure of $\angle ACD$ (in degree)?

A

$144^\circ$

B

$148^\circ$

C

$140^\circ$

D

$149^\circ$

Question 1041

GK

5 years ago, the age of a father was 14 years more than twice his son's age. After how many years, from now, will he be twice his son's age?

A

9

B

11

C

14

D

10

Question 1042

GK

Based on the English alphabetical order, three of the following four letter-cluster pairs are alike in a certain way and thus form a group. Which is the letter-cluster pair that DOES NOT belong to that group? (Note: The odd one out is not based on the number of consonants/vowels or their position in the letter-cluster.)

A

WY-PY

B

SU-LP

C

QS-JS

D

UW-NW

Question 1043

GK

What should come in place of the question mark (?) in the given series? 55 64 81 106 139 ?

A

181

B

180

C

182

D

179

Question 1044

GK

Seven people, D, E, F, G, H, I and X, are sitting around a circular table facing the centre of the table. E sits to the immediate right of D. Only three people sit between E and G when counted from the left of E. Only three people sit between D and H. F sits to the immediate right of I. How many people sit between X and I when counted from the left of I?

A

Four

B

Three

C

One

D

Two

Question 1045

GK

Select the pair which follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern.   KFD : IIB UDD : SGB

A

SCM : QFO

B

VRB : TUD

C

RPH : PSK

D

WBI : UEG

Question 1046

GK

In a certain code language, 'FEAR' is coded as '2461' and 'THEM' is coded as '1593'. What is the code for 'E' in that language?

A

4

B

1

C

3

D

9

Question 1047

GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? KPX MOU ONR ? SLL

A

SQP

B

MSP

C

PSQ

D

QMO

Question 1048

GK

R is the brother of C. C is the brother of A. A is the mother of G. G is the son of H. How is R related to H?

A

Father

B

Wife's brother

C

Brother

D

Wife's father

Question 1049

GK

Each of the digits in the number 7642915 is arranged in ascending order from left to right. The position(s) of how many digits will remain unchanged as compared to that in the original number?

A

None

B

Three

C

Two

D

One

Question 1050

GK

Refer to the following number and symbol series and answer the question that follows. All numbers are single-digit. Counting to be done from left to right.  (Left) 3 8 $ 7 ? 5 % 4 1 Ω 2 # 6 & * 9 @ £ (Right) How many such symbols are there, each of which is immediately preceded by an even number and also immediately followed by an odd number?

A

None

B

One

C

Three

D

Two

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