RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 1476
GK

A mobile phone is marked at ₹30,000. Successive discounts of 20% and 10% are applied. What is the final selling price?

A
₹24,000
B
₹22,600
C
₹21,600
D
₹24,600
Question 1477
GK

Train A leaves station M at 6:40 AM and reaches station N at 3:40 PM on the same day. Train B leaves station N at 8:40 AM and reaches station M at 2:40 PM on the same day. Find the time when trains A and B meet.

A
11:28 AM
B
1:28 PM
C
11:58 AM
D
12:28 PM
Question 1478
GK

The ratio between the perimeter and the length of a rectangle is 3: 1. If the area of the rectangle is 180.5 $cm^2$, then what is the breadth of the rectangle?

A
38 cm
B
21 cm
C
19 cm
D
9.5 cm
Question 1479
GK

The product of two consecutive positive natural numbers is 462. The greater of the two numbers is:

A
22
B
24
C
23
D
21
Question 1480
GK

8 men can complete a piece of work in 5 days, while 8 women can do it in 15 days. In how many days can 3 women and 4 men complete this work?

A
5 days
B
8 days
C
7 days
D
9 days
Question 1481
GK

The H.C.F. and the L.C.M. of two numbers are 4 and 3360 respectively. If one of the numbers is 96, find the other one.

A
92
B
116
C
164
D
140
Question 1482
GK

What should come in place of the question mark (?) in the given series? 9 11 19 61 239 ?

A
1201
B
1120
C
1102
D
1021
Question 1483
GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? LEB QJG VOL ATQ ?

A
FYV
B
FVY
C
FYU
D
FRT
Question 1484
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 geysers are fans. No fan is a bulb.   Conclusions (I): No geyser is a bulb. Conclusions (II): Some fans are geysers.

A
Neither conclusion (I) nor (II) follows.
B
Only conclusion (I) follows.
C
Only conclusion (II) follows.
D
Both conclusions (I) and (II) follow.
Question 1485
GK

If 'A' stands for '+', 'B' stands for '$\times$', 'C' stands for '+' and 'D' stands for '-', then what will come in place of the question mark (?) in the following equation? 48 A 3 C 21 D 8 B 3 = ?

A
2
B
13
C
6
D
10
Question 1486
GK

What should come in place of the question mark (?) in the given series? 38 41 47 59 83 ?

A
131
B
121
C
132
D
145
Question 1487
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 * B means 'A is the father of B'. How is E related to N if 'E $ F @ G + M * N'?

A
Mother
B
Mother's sister
C
Mother's mother
D
Sister
Question 1488
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
ES - AN
B
NB - KW
C
WI - TD
D
KX - HS
Question 1489
GK

EGLU is related to CDJR in a certain way based on the English alphabetical order. In the same way, WUDI is related to URBF. To which of the given options is QLXZ related, following the same logic?

A
OVIT
B
OIVW
C
YOBH
D
OWVI
Question 1490
GK

Salman ranked 24th from the top and 11th from the bottom in his class. How many students are there in his class?

A
33
B
34
C
31
D
32
Question 1491
GK

Which of the following letter-number clusters will replace the question mark (?) in the given series to make it logically complete? O50P R51S U54V X59Y ?

A
A65B
B
Z65B
C
Z66A
D
A66B
Question 1492
GK

This question is based on the five, three-digit numbers given below. (Left) 415 672 456 782 324 (Right) (Example- 697 - First digit = 6, second digit = 9 and third digit = 7) (NOTE: All operations to be done from left to right.) What will be the resultant if the third digit of the lowest number is added to the second digit of the highest number?

A
10
B
12
C
11
D
13
Question 1493
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
IDH
B
SNQ
C
MHK
D
PKN
Question 1494
GK

Each of the digits in the number 9123547 is arranged in ascending order from left to right. What will be the sum of the digits that are second from the left and second from the right in the new number thus formed?

A
9
B
6
C
7
D
8
Question 1495
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) 9 8 5 @ 8 σ 9 π % 2 8 # 1 2 $ * 8 1 π 5 (Right) How many such even numbers are there, which are immediately preceded by a symbol and also immediately followed by an even number?

A
Four
B
One
C
Two
D
None
Question 1496
GK

In a certain code language, 'TASK' is coded as '4628' and 'KIND' is coded as '1385'. What is the code for 'K' in the given code language?

A
3
B
8
C
2
D
1
Question 1497
GK

What should come in place of the question mark (?) in the given series? 58, 64, 70, 76, 82, ?

A
88
B
85
C
79
D
78
Question 1498
GK

Seven people, I, J, K, L, P, Q and R, are sitting in a row, facing north. Only three people sit between P and J. R sits to the immediate left of J. No one sits to the right of I. Only two people sit between I and R. Q sits to the immediate right of L. How many people sit between K and Q?

A
Two
B
Three
C
Four
D
One
Question 1499
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
LGK
B
HCF
C
PKO
D
UPT
Question 1500
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 three boxes are kept below F. Only two boxes are kept between F and G. Only B is kept above D. A is kept at some place below E and at some place above C. How many boxes are kept above E?

A
Three
B
One
C
Two
D
Four