RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 1851
GK

In a certain code language, 'A $\yen$ B' means 'A is the father of B', 'A # B' means 'A is the brother of B', 'A % B' means 'A is the son of B' and 'A = B' means 'A is the wife of B'. How is A related to D if 'A = S # G % E $\yen$ D'?

A
Brother's wife
B
Sister's brother
C
Sister's son
D
Brother's son
Question 1852
GK

Karan, Shiv, Ritu, Himani, Gunjan and Pari are sitting in a straight line, facing north. Karan sits third to the left of Himani. Himani sits second from the right end. Pari sits to the immediate left of Gunjan. Shiv does not sit next to Karan. Who sits second to the right of Gunjan?

A
Karan
B
Shiv
C
Ritu
D
Himani
Question 1853
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 forks are spoons. Some forks are caps. Conclusions (I): Some spoons are caps. Conclusions (II): All caps are forks.

A
Both conclusions (I) and (II) follow.
B
Neither conclusion (I) nor (II) follows.
C
Only conclusion (I) follows.
D
Only conclusion (II) follows.
Question 1854
GK

RBNH is related to LVHB in a certain way based on the English alphabetical order. In the same way, TDPJ is related to NXJD. To which of the given options is BLXR related, following the same logic?

A
VFLR
B
VRFL
C
VFRL
D
VLRF
Question 1855
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/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.) (48, 26, 15) (88, 46, 25)

A
(12, 6, 7)
B
(58, 34, 19)
C
(36, 20, 8)
D
(24, 14, 9)
Question 1856
GK

Each of the digits in the number 67849315 is arranged in ascending order from left to right. What will be the sum of the digits which are second from the left and third from the right in the new number thus formed?

A
9
B
10
C
7
D
11
Question 1857
GK

Refer to the following number, symbol series and answer the question that follow. Counting to be done from left to right only. (Left) 6 \ & > 3 @ 8 * & @ 7 1 ^ @ 4 ? \ ? 4 5 < (Right) How many such numbers are there each of which is immediately preceded by a symbol and also immediately followed by a symbol?

A
Two
B
Four
C
Three
D
One
Question 1858
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 gardens are forests. All forests are meadows. Conclusions: (I) All gardens are meadows. (II) All meadows are forests.

A
Only conclusion (I) follows.
B
Both conclusions (I) and (II) follow.
C
Only conclusion (II) follows.
D
Neither conclusion (I) nor (II) follows.
Question 1859
GK

What should come in place of the question mark (?) in the given series? 19 42 78 122 179 ?

A
234
B
244
C
243
D
204
Question 1860
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
NIO
B
KFM
C
TOV
D
QLS
Question 1861
GK

What should come in place of the question mark (?) in the given series? 154 181 208 ? 262 289

A
242
B
235
C
228
D
260
Question 1862
GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? LSP 15 OOO 12 RKN 9 UGM 6 ?

A
DLV 4
B
XCL 3
C
DSR 9
D
XLC 7
Question 1863
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 pair.)

A
KO-RW
B
IM-PT
C
MQ-TX
D
FJ-MQ
Question 1864
GK

What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '$\times$' and '$\div$' are interchanged? $14 \div 4 + 78 \times 13 - 13 = ?$

A
65
B
55
C
63
D
58
Question 1865
GK

The product of two consecutive natural numbers is 272. The greater of the two numbers is:

A
9
B
36
C
28
D
17
Question 1866
GK

Simplify: $x(3x - 6) + 4(x^2-5) + 15$

A
$-7x^2-6x + 5$
B
$-7x^2-6x-5$
C
$7x^2-6x+5$
D
$7x^2 - 6x - 5$
Question 1867
GK

₹13,700 were divided among A, B and C such that 4 times the share of A = 7 times the share of B = 2 times the share of C. Find the share of A.

A
₹3,921
B
₹3,836
C
₹3,988
D
₹3,664
Question 1868
GK

A man walks to a viewpoint and returns to the starting point by his car maintaining constant speed and thus takes a total time of 7 hours 45 minutes. He would have gained 6 hours by driving both ways. How long would it have taken for him to walk both ways with same walking speed?

A
13 hours 45 minutes
B
14 hours 15 minutes
C
13 hours 30 minutes
D
12 hours 45 minutes
Question 1869
GK

The LCM of the numbers 2.8 and 0.217 is:

A
86.8
B
8.68
C
0.868
D
868
Question 1870
GK

Evaluate $34^2$.

A
1166
B
1186
C
1156
D
1176
Question 1871
GK

FJEC is related to LPKI in a certain way based on the English alphabetical order. In the same way, IMHF is related to OSNL. To which of the following is LPKI related, following the same logic?

A
VROQ
B
RVOQ
C
RVQO
D
VRQO
Question 1872
GK

In a certain code language, 'TEAR' is coded as '7165' and 'SEAT' is coded as '5678'. What is the code for 'S' in the given code language?

A
8
B
5
C
7
D
6
Question 1873
GK

Samad starts from Point A and drives 15 km towards East. He then takes a left turn, drives 6 km, turns left and drives 12 km. He then takes a left turn and drives 8 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° turns only unless specified.)

A
2 km towards North
B
4 km towards South
C
2 km towards West
D
4 km towards North
Question 1874
GK

Seven boxes V, W, X, Y, Z, Q and R are kept one over the other but not necessarily in the same order. No box is kept above Z. Only three boxes are kept between Z and W. Only one box is kept between V and R. R is kept immediately above W. Only four boxes are kept between V and X. Q is kept at some place above Y. Which box is kept second below Q?

A
Y
B
R
C
X
D
W
Question 1875
GK

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

A
0
B
2
C
1
D
3