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RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 1651
GK

In a certain code language, A $ B means 'A is the mother of B', A + B means 'A is the brother of B', A @ B means 'A is the wife of B', and A $\div$ B means 'A is the father of B'. How is E related to N if 'E @ F $\div$ G + M $ N'?

A
Mother's mother
B
Mother's father
C
Mother's brother
D
Mother's sister
Question 1652
GK

What should come in place of the question mark (?) in the given series? 26 40 55 71 ? 106

A
88
B
98
C
104
D
92
Question 1653
GK

Seven people, F, G, H, I, J, K and R, are sitting around a circular table facing the centre of the table. I sits third to the left of J. R sits second to the left of G. Only J sits between H and R. F is not an immediate neighbour of I. How many people sit between K and R when counted from the right of K?

A
One
B
Four
C
Two
D
Three
Question 1654
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.) 19, 33 17, 29

A
26, 43
B
23, 40
C
24, 43
D
22, 38
Question 1655
GK

Each of the digits in the number 8237519 is arranged in ascending order from left to right. What will be the sum of the digits which are second from the left and second from the right in the new number thus formed?

A
9
B
10
C
8
D
12
Question 1656
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 conclusion(s) logically follow(s) from the statements. Statements: Some files are books. All books are keys. Conclusions: (I) Some files are keys. (II) All keys are books.

A
Only conclusion (I) follows.
B
Only conclusion (II) follows.
C
Neither conclusion (I) nor (II) follows.
D
Both conclusions (I) and (II) follow.
Question 1657
GK

Virat starts from Point A and drives 10 km towards South. He then takes a right turn, drives 9 km, turns left and drives 5 km. He then takes a left turn and drives 9 km. He takes a final right turn, drives 4 km and stops at Point P. How far (shortest distance) and towards which direction should he drive in order to reach Point A again? (All turns are $90^\circ$ turns only unless specified.)

A
19 km towards North
B
19 km towards South
C
15 km towards East
D
15 km towards South
Question 1658
GK

What smallest number should be added to 15335 so that the sum is completely divisible by 79?

A
71
B
68
C
70
D
65
Question 1659
GK

If the shape of a water pipe is a rectangle with dimensions 5 m and 3 m and if water runs out of it at the speed of 36 km/hr, then what is the volume (in $m^3$) of the water that passed through the pipe in 12 minutes?

A
216000
B
108000
C
5400
D
54000
Question 1660
GK

I bought two toy guns for ₹ 1,200. I sold the first one at a loss of 9% and the second at a gain of 16%. If, on the whole I made neither a loss nor a gain, find the cost price (in ₹) of the first toy gun.

A
788
B
792
C
768
D
752
Question 1661
GK

Successive discounts of 5% and 40% are equivalent to a single discount of:

A
41%
B
45%
C
43%
D
42%
Question 1662
GK

Sapna invested ₹ 22,500 on simple interest, partly at 7% per annum and partly at 5% per annum. If she earns equal interests from the two investments after 3 years, then find the sum invested at 7% per annum (in ₹).

A
9,373
B
9,374
C
9,376
D
9,375
Question 1663
GK

Ravi started a business by investing ₹ 50,000. After six months, Raju joined him and invested an amount of ₹ 1,00,000. In one year since Ravi invested, they earned a profit of ₹ 63,000. What is Raju's share of the profit?

A
₹ 32,500
B
₹ 31,000
C
₹ 31,500
D
₹ 32,000
Question 1664
GK

In a certain code language, 'SAID' is coded as '3517' and 'AERO' is coded as '2146'. What is the code for 'A' in the given code language?

A
5
B
2
C
1
D
6
Question 1665
GK

Seven boxes A, B, C, D, E, F and G are kept one over the other but not necessarily in the same order. Only two boxes are kept between E and B. Only A is kept above C. No box is kept below B. G is kept at some place below F but at some place above D. How many boxes are kept below F?

A
2
B
4
C
3
D
1
Question 1666
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
KMH
B
IKE
C
GIC
D
MOI
Question 1667
GK

Read the given statement(s) 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 statement(s). Statements: Some Circular Saws are Trowels. Some Trowels are Power Saws. Conclusions: I: Some Circular Saws are Power Saws. II: No Circular Saws are Power Saws.

A
Only conclusion (I) follows.
B
Neither conclusion (I) nor (II) follows.
C
Both conclusions (I) and (II) follow.
D
Only conclusion (II) follows.
Question 1668
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 conclusion(s) logically follow(s) from the statements. Statements: All soaps are gels. All soaps are conditioners. Conclusions: (I) Some gels are conditioners. (II) All conditioners are soaps.

A
Both conclusions (I) and (II) follow.
B
Neither conclusion (I) nor (II) follows.
C
Only conclusion (II) follows.
D
Only conclusion (I) follows.
Question 1669
GK

A, B, C, D, Q, R and S are sitting around a circular table, facing the centre of the table. Only two people sit between D and A, when counted from the left of A. Q sits third to the left of S. R sits to the immediate right of S. R sits second to the left of D. B is not an immediate neighbour of Q. Who sits third to the right of C?

A
D
B
S
C
R
D
A
Question 1670
GK

A, B, C, D, Q, R and S are sitting around a circular table, facing the centre of the table. B sits third to the left of Q. R sits second to the left of S. Q is an immediate neighbour of both A and R. C is not an immediate neighbour of B. How many people sit between D and R, when counted from the right of D?

A
Three
B
One
C
Two
D
Four
Question 1671
GK

DREAM is related to IWJFR in a certain way based on the English alphabetical order. In the same way, FILED is related to KNQJI. To which of the given options is BLOWN related, following the same logic?

A
GQTBS
B
FPSAR
C
HRUCT
D
GRSCS
Question 1672
GK

Which of the following letter-number clusters will replace the question mark (?) to complete the series? ABC12, BCD23, CDE34, DEF45, ?

A
EFG55
B
EGH56
C
EFG56
D
FGH56
Question 1673
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
ERM
B
BFJ
C
SWA
D
UYC
Question 1674
GK

Seven boxes G, H, I, J, K, L and S are kept one over the other but not necessarily in the same order. Only three boxes are kept below S. Only two boxes are kept between S and L. Only G is kept below J. H is kept at some place below K and at some place above J. I is kept above K. How many boxes are kept between K and J?

A
Four
B
One
C
Two
D
Three
Question 1675
GK

If 1 is added to each even digit and 2 is subtracted from each odd digit in the number 5237648, how many digits will appear more than once in the new number thus formed?

A
None
B
Two
C
Three
D
One
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