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RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 726
GK

If 2 is added to each odd digit and 1 is subtracted from each even digit in the number 72518643, then what will be the difference between the first and the last digit in the number thus formed?

A
2
B
6
C
8
D
4
Question 727
GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? CNQ EPS GRU ITW ?

A
KVY
B
JUX
C
JVY
D
KUX
Question 728
GK

What should come in place of the question mark (?) in the given series? 15, 30, 60, 120, ?, 480

A
220
B
240
C
260
D
280
Question 729
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
PT-WR
B
RV-YT
C
KO-RM
D
BF-IC
Question 730
GK

Hitesh starts from Point A and drives 9 km towards East. He then takes a left turn, drives 4 km, turns left and drives 11 km. He then takes a left turn and drives 6 km. He takes a final left turn, drives 2 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
3 km to South
B
2 km to North
C
3 km to North
D
2 km to South
Question 731
GK

YUWT is related to UQSP in a certain way based on the English alphabetical order. In the same way, OKMJ is related to KGIF. To which of the following is LHJG related, following the same logic?

A
HDEC
B
HCEC
C
HEEF
D
HDFC
Question 732
GK

Seven boxes F, G, H, M, N, O and P are kept one over the other but not necessarily in the same order. Only three boxes are kept above G. Only one box is kept between F and G. Only three boxes are kept between F and N. N is kept at some place above G. O is kept immediately below N. M is kept at one of the places above P. H is not kept immediately above or below F. Which box is kept at the lowermost position?

A
F
B
P
C
M
D
H
Question 733
GK

In a certain code language, 'HUGE' is coded as '4627' and 'GIRL' is coded as '1365'. What is the code for 'G' in the given code language?

A
5
B
1
C
6
D
7
Question 734
GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? FDS 43 HGO 32 JJK 21 ? NPC-1

A
LKM 12
B
LMG 11
C
LMG 10
D
LMM 14
Question 735
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.) (28, 336, 4) (19, 285, 5)

A
(17, 265, 5)
B
(21, 341, 7)
C
(23, 414, 6)
D
(24, 298, 4)
Question 736
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 A and R, when counted from the right of A. Only two people sit between R and D. Only three people sit between A and B. C sits to the immediate left of Q. Who sits third to the left of S?

A
D
B
Q
C
C
D
A
Question 737
GK

Seven boxes F, G, H, I, K, L and O are kept one over the other but not necessarily in the same order. Only two boxes are kept between O and K. Only G is kept above L. No box is kept below K. F is kept at some place below H but at some place above I. Which box is kept third above I?

A
H
B
F
C
K
D
O
Question 738
GK

1 is subtracted from each even digit of the number 95423671. Find the number of digits that are repeated more than once in the new number formed.

A
None
B
One
C
Two
D
Three
Question 739
GK

This question is based on the five, three-digit numbers given below. (Left) 817 708 290 322 720 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) If all the numbers are arranged in descending order, the position(s) of how many numbers will remain unchanged?

A
Two
B
Four
C
None
D
One
Question 740
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
IMQ
B
NRV
C
KOS
D
MOU
Question 741
GK

Six friends P, Q, R, S, T and U are sitting in a straight line, facing north. Q is an immediate neighbour of S and T. U sits to the immediate right of R. P sits third to the left of T. Neither S nor T sit on any of the extreme ends. Who sits at the extreme left end?

A
Q
B
R
C
U
D
P
Question 742
GK

In the following triads, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one which follows the same logic. SOAL - ASOL - LAOS MUGS - GMUS - SGUM

A
ZOAL - AZOL - OALZ
B
BOND - BNOD - DNOB
C
RAIN - IRAN - NIAR
D
WIPE - IWPE - EIPW
Question 743
GK

This question is based on the five, three-digit numbers given below. (Left) 427 615 253 961 743 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) If all the numbers are arranged in ascending order, the position(s) of how many numbers will remain unchanged?

A
2
B
0
C
1
D
3
Question 744
GK

A is the mother of G. G is the mother of D. D is the son of H. R is the father of H. How is A related to R?

A
Wife's sister
B
Son's wife's sister
C
Son's wife's mother
D
Wife's mother
Question 745
GK

Satwik starts from Point A and drives 7 km towards east. He then takes a left turn, drives 4 km, turns right and drives 6 km. He then takes a right turn and drives 4 km. He takes a final right turn, drives 3 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
13 km towards west
B
13 km towards east
C
10 km towards west
D
10 km towards north
Question 746
GK

Each of the digits in the number 4385612 is arranged in the 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
Two
B
None
C
One
D
Three
Question 747
GK

In a certain code language, 'YOUR' is coded as '2467' and 'OPEN' is coded as '1536'. What is the code for 'O' in that language?

A
3
B
1
C
6
D
4
Question 748
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 games are levers. All levers are drums. Conclusions: (I) Some drums are levers. (II) All games are drums.

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 749
GK

In an election between two candidates, 80% of the registered voters cast their vote and 21% of the votes polled were found invalid. The winning candidate got 51% of the valid votes and won the election by a margin of 1817 votes. How many voters were registered?

A
143750
B
143753
C
143751
D
143752
Question 750
GK

₹42,100 were divided among A, B and C such that 8 times the share of A = 3 times the share of B = 6 times the share of C. Find the share of A.

A
₹8,278
B
₹8,360
C
₹8,420
D
₹8,538
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