RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 551
GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? IUP -1 MRN -3 ? ULJ -27 YIH -81

A
YFQ -7
B
PQS -7
C
QOL -9
D
QOP -9
Question 552
GK

In a certain code language, A + B means 'A is the son of B', A - B means 'A is the sister of B', A $\times$ B means 'A is the wife of B' and A $\div$ B means 'A is the father of B'. How is Q related to D if 'Q $\div$ E - R $\times$ C + D'?

A
Son's wife's father
B
Father
C
 Brother
D
Son's wife's brother
Question 553
GK

HOLN is related to XGBF in a certain way based on the English alphabetical order. In the same way, TIXH is related to JANZ. To which of the given options is PKTJ related, following the same logic?

A
FCBJ
B
FCBH
C
FHBC
D
FCJB
Question 554
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
JQN
B
HOK
C
FMI
D
LSO
Question 555
GK

What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '$\times$' and '$\div$' are interchanged? $26\times2-21+7\div4=?$

A
11
B
6
C
18
D
25
Question 556
GK

What should come in place of the question mark (?) in the given series? 934 924 925 915 916 906 ? 897

A
896
B
908
C
907
D
895
Question 557
GK

In a certain code language, 'MAZE' is coded as '3527' and 'AIDS' is coded as '2416'. What is the code for 'A' in the given code language?

A
4
B
2
C
1
D
5
Question 558
GK

WPKD is related to TNHB in a certain way based on the English alphabetical order. In the same way, KHYV is related to HFVT. To which of the given options is BBPP related, following the same logic?

A
YZNM
B
YMZN
C
YZMN
D
YZSD
Question 559
GK

If 1 is added to each odd digit and 2 is subtracted from each even digit in the number 8317456, what will be the sum of the digits that are second from the left and second from the right?

A
6
B
12
C
10
D
8
Question 560
GK

This question is based on the five, three-digit numbers given below.   (Left) 126 257 352 984 751 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.)   If 2 is added in the third digit of each number, how many numbers thus formed will be odd numbers?

A
Two
B
One
C
Three
D
None
Question 561
GK

Refer to the following number and symbol series and answer the question that follows. Counting to be done from left to right only.   (Left) 2 % / < 9 $ / % 6 * 4 5 8 # ? > 2 2 + 2 \ (Right)   How many such symbols are there, each of which is immediately preceded by a number and also immediately followed by another symbol?

A
Two
B
One
C
Three
D
None
Question 562
GK

1 is subtracted from each even digit of the number 95423671 and then the digits are arranged in ascending order from left to right. Find the sum of the digits that are second from the left and third from the right.

A
9
B
7
C
6
D
5
Question 563
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 four boxes are kept between C and F. Only A is kept above C. Only two boxes are kept between D and E. G is kept immediately above B. E is not kept immediately above G. How many boxes are kept above G?

A
1
B
3
C
4
D
2
Question 564
GK

Harini starts from Point Y and drives 7 km towards the south. She then takes a left turn, drives 14 km. She then turns left and drives 7 km. She takes a final left turn, drives 18 km and stops at Point Z. How far (shortest distance) and towards which direction should she drive in order to reach Point Y again? (All turns are 90-degree turns only unless specified)

A
10 km towards south
B
8 km towards west
C
1 km towards north
D
4 km towards east
Question 565
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 three boxes are kept below H. Only two boxes are kept between H and O. Only L is kept above G. F is kept at some place below I and at some place above K. Which box is kept at second position from the bottom?

A
O
B
G
C
F
D
K
Question 566
GK

Select the pair which follows the same pattern as that followed by the two pairs given below. Both pairs follow the same pattern.   HTO : DWK XHE : TKA

A
PNW : LQS
B
FCV : KZQ
C
HKV : ENS
D
YFH : UKD
Question 567
GK

L, M, N, O, Q, R and S are sitting around a circular table, facing the centre of the table. Only one person sits between Q and S when counted from the right of Q. Only one person sits between S and N. Only one person sits between Q and R. Only two people sit between L and N. Only one person sits between O and R. Who sits third to the right of M?

A
S
B
L
C
N
D
O
Question 568
GK

In a certain code language, 'BEST' is coded as '3527' and 'EARN' is coded as '1246'. What is the code for 'E' in the given code language?

A
2
B
5
C
1
D
6
Question 569
GK

The sum of the squares of two consecutive even natural numbers is 1684. The sum of the numbers is:

A
42
B
66
C
58 
D
48
Question 570
GK

Sapna invested ₹21,300 on simple interest, partly at 14% per annum and partly at 11% per annum. If she earns equal interests from the two investments after 3 years, then find the sum invested at 14% per annum (in ₹).

A
9,372
B
9,373
C
9,369
D
9,374
Question 571
GK

The average of first 161 even numbers is

A
163
B
162.5
C
161.5
D
162
Question 572
GK

M and N start a business. M invests ₹38,000 more than N invests for 2 months and N for 3 months. M's share is ₹461 more than that of N, out of a total profit of ₹6,915. Find the capital contributed by M.

A
₹91,400
B
₹91,200
C
 ₹91,800
D
₹91,000
Question 573
GK

Simplify: $x(2x - 8) + 5(x^2 -3) + 12$

A
$7x^2 - 8x + 3$
B
$-7x^2 - 8x - 3$
C
$7x^2 - 8x - 3$
D
$-7x^2 - 8x + 3$
Question 574
GK

Find the simple interest (in ₹) on ₹4,000 at 6.75% per annum rate of interest deposited on 26 February 2024 and withdrawn on 27 April 2024.

A
₹46
B
₹44
C
₹43
D
₹45
Question 575
GK

The HCF and the LCM of two numbers are 83 and 498, respectively. If one of the numbers is 166, find the other one.

A
166
B
230
C
332
D
249