RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 526

GK

Select the set in which the numbers are related in the same way as are the numbers of the following sets. (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.) (112, 104, 96) (136, 128, 120)

A

(129, 121, 116)

B

(91, 83, 77)

C

(140, 134, 130)

D

(154, 146, 138)

Question 527

GK

Each of the digits in the number 81674293 is arranged in ascending order from left to right. Which of the following digits will be fourth from the left?

A

3

B

6

C

4

D

7

Question 528

GK

Refer to the following number and symbol series and answer the question that follows. All numbers are single-digit numbers. Counting to be done from left to right only. (Left) 5 # % 2 ^ @ 3 & 1 $ 7 Ω 5 % # 6 * 1 9 (Right) How many symbols in the series are immediately preceded by a symbol and immediately followed by a number?

A

Three

B

None

C

Two

D

One 

Question 529

GK

Mr. Into ranked 96th from the top and 31st from the bottom in his class. How many students are there in his class?

A

126

B

128

C

123

D

125

Question 530

GK

A is the father of H. H is the father of G. G is the son of E. F is the father of E. How is A related to F?

A

Husband's father

B

Daughter's husband's brother

C

Daughter's husband's father

D

Daughter's husband

Question 531

GK

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

A

One

B

Three

C

Four

D

Two

Question 532

GK

Town Q is to the east of Town P. Town R is to the south of Town Q. Town S is to the east of Town R. Town T is to the south of Town S. Town U is to the east of Town T. What is the position of Town U with respect to Town Q?

A

North-east

B

North-west

C

North

D

South-east

Question 533

GK

A company earns a profit (in ₹) that is distributed among the company's three partners in the ratio of 5: 8: 17. If the difference between the smallest and the largest shares is ₹78,106, the total profit (in ₹) of the company is:

A

1,95,278

B

1,95,361

C

1,95,302

D

1,95,265

Question 534

GK

A man driving a car at a speed of 54 km/hr crosses a bridge in 1.7 minutes. Find the length of the bridge.

A

2.58 km

B

2.13 km

C

1.53 km

D

0.92 km

Question 535

GK

Two cubes of edge 5 cm are joined to form a cuboid. Find the total surface area of the cuboid.

A

$25\ cm^2$

B

$250\ cm^2$

C

$100\ cm^2$

D

$125\ cm^2$

Question 536

GK

Find the mean proportional between 19 and 76.

A

36

B

37

C

38

D

39

Question 537

GK

What smallest number should be added to 16809 so that the sum is completely divisible by 41?

A

3

B

2

C

1

D

4

Question 538

GK

Find the simple interest (in ₹) if a sum of ₹400 is borrowed for 5.5 years at 4% per annum rate of interest.

A

68

B

138

C

88

D

188

Question 539

GK

What is the equivalent single discount for successive discounts of 20% and 10%?

A

27%

B

25%

C

30%

D

28%

Question 540

GK

Raghunandan walks 325 m towards the west to reach a cloth showroom. Then he turns to the right and walks 220 m straight to reach the fitness centre. Again, he turns to the right and walks for 200 m straight. Then, he turns to the right again and walks for 220 m. How far is he from the starting point?(All turns are 90-degree turns only, unless specified.)

A

125 m

B

120 m

C

105 m

D

150 m

Question 541

GK

What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '$\times$' and '$\div$' are interchanged? $28+125\times5-12\div3= ?$

A

28

B

46

C

39

D

21

Question 542

GK

In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the set in which the numbers are related in the same way as are the numbers of the following sets.   (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/subtracting/multiplying to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)   37, 62 52, 77

A

81, 96

B

69, 88

C

64, 84

D

46, 71

Question 543

GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? NUB 63, JQX 54, FMT 45, BIP 36, XEL 27, ?

A

TAI 17

B

UAH 20

C

TMH 15

D

TAH 18

Question 544

GK

Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which letter-cluster 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

ORM

B

VYT

C

RUP

D

LOI

Question 545

GK

What should come in place of the question (?) in the given series? 53 70 91 116 145 ?

A

171

B

194

C

186

D

178

Question 546

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 letter-cluster pair 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

SV-UX

B

DG-FI

C

BE-DG

D

EI-HK

Question 547

GK

Eight people, S, T, U, V, W, X, Y and Z, are sitting in a straight line. All are facing towards the north. S sits third from the extreme left end of the line. W is an immediate neighbour of V. Only U sits between S and W. Z is sitting at the extreme right end of the line. T is an immediate neighbour of both Y and S. How many people sit to the right of W?

A

Three

B

Four

C

One

D

Two

Question 548

GK

What should come in place of the question mark (?) in the given series? 442 530 626 730 842 ?

A

901

B

1025

C

962

D

1090

Question 549

GK

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.   Statements: All forests are hills. Some hills are deserts.   Conclusions: (I): All hills are forests. (II): Some deserts are hills.

A

Only Conclusion II follows

B

Only Conclusion I follows

C

Both Conclusions I and II follow

D

Neither Conclusion I nor II follows

Question 550

GK

Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.   Statements: All bottles are ludo. All ludo are dancer.   Conclusions: (I): Some dancers are ludo. (II): All bottles are dancers.

A

Both conclusions (I) and (II) follow.

B

Neither conclusion (I) nor (II) follows.

C

Only conclusion (II) follows.

D

Only conclusion (I) follows.

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