RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 801
GK

This question is based on the five, three-digit numbers given below. (Left) 218 168 879 953 622 (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, which of the following will be the second digit of the fourth number from the left after the arrangement?

A
1
B
8
C
9
D
2
Question 802
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 G is kept above I. Only two boxes are kept between I and O. Only L is kept below F. H is not kept immediately above O. How many boxes are kept between K and L?

A
One
B
Two
C
Four
D
Three
Question 803
GK

What will come in place of the question mark (?) in the following equation, if '+' and '-' are interchanged and '$\times$' and '$\div$' are interchanged? $4 \div 13 + 96 \times 8 - 14 = ?$

A
56
B
50
C
52
D
54
Question 804
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 fuses are wires. No wire is a battery. Conclusions: (I) Some fuses are batteries. (II) Some wires are fuses.

A
Only conclusion (II) follows.
B
Neither conclusion (I) nor (II) follows.
C
Only conclusion (I) follows.
D
Both conclusions (I) and (II) follow.
Question 805
GK

Each of the digits in the number 8453126 is arranged in 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
Three
B
None
C
One
D
Two
Question 806
GK

What should come in place of the question mark (?) in the given series? 28 29 31 35 43 ?

A
58
B
59
C
56
D
57
Question 807
GK

In the following number-pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the pair in which the numbers are related in the same way as are the numbers of the following pairs. (Note: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g., 13 – Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) 541, 448 362, 269

A
642, 546
B
564, 469
C
470, 374
D
459, 366
Question 808
GK

Pavan starts from Point Y and drives 39 km towards the north. He then takes a right turn and drives 79 km, then turns right and drives 48 km. He then takes a right turn and drives 43 km. He takes a right turn and drives 73 km. He then turns left, drives 36 km and stops at Point Z. How far (shortest distance) and in which direction should he drive in order to reach Point Y again? (All turns are 90-degree turns only unless specified.)

A
64 km towards the south
B
57 km towards the west
C
72 km towards the north
D
74 km towards the east
Question 809
GK

Jack starts from Point A and drives 5 km towards South. He then takes a left turn, drives 7 km, turns left and drives 3 km. He then takes a left turn and drives 2 km. He takes a final right 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° turns only unless specified.)

A
7 km towards South
B
7 km towards West
C
5 km towards East
D
5 km towards West
Question 810
GK

In a certain code language, 'CAKE' is coded as '7209' and 'ACHE' is coded as '0295'. What is the code for 'H' in the given code language ?

A
0
B
9
C
2
D
5
Question 811
GK

What should come in place of the question mark (?) in the given series based on the English alphabetical order? ATE VOZ QJU LEP ?

A
GZK
B
GZL
C
HZK
D
GYK
Question 812
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) 6 & % 4 @ 8 9 $ 5 & 1 Ω 3 # 2 * £ 7 (Right) If all the symbols are dropped from the series, which of the following will be seventh from the right?

A
4
B
8
C
9
D
5
Question 813
GK

In a certain code language, 'WINE' is coded as '4512' and 'NETI' is coded as '5624'. What is the code for 'T' in the given code language?

A
6
B
4
C
5
D
2
Question 814
GK

EJRX is related to HLUZ in a certain way based on the English alphabetical order. In the same way, QRDF is related to TTGH. To which of the following options is ZXML related, following the same logic?

A
CPNG
B
CZNP
C
CZPN
D
CGNH
Question 815
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 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
MI-PL
B
RN-UQ
C
FB-ID
D
IE-LH
Question 816
GK

S is the daughter of M. M is the wife of A. A is the father of R. R is the brother of T. How is S related to T?

A
Daughter
B
Son
C
Sister
D
Mother
Question 817
GK

What should come in place of the question mark (?) in the given series? 3 5 9 23 39 ?

A
65
B
64
C
66
D
68
Question 818
GK

What sum of money (in ₹) will amount to ₹2,280 at $5\%$ per annum simple interest in 5 years?

A
₹9,120
B
₹1,874
C
₹1,774
D
₹1,824
Question 819
GK

A, B and C invested a sum in the ratio of 72: 12: 36, respectively. If they earned a total profit of ₹3,560 at the end of year, what is the difference between the shares of B and C?

A
₹620
B
₹722
C
₹610
D
₹712
Question 820
GK

Train A leaves station M at 6:35 AM and reaches station N at 3:35 PM on the same day. Train B leaves station N at 8:35 AM and reaches station M at 2:35 PM on the same day. Find the time when trains A and B meet.

A
12:23 PM
B
11:03 AM
C
11:43 AM
D
11:23 AM
Question 821
GK

The product of two positive numbers is 1805. If the first number is five times the second number, then the sum of the two numbers is:

A
126
B
127
C
114
D
107
Question 822
GK

What smallest number should be added to 63130 so that the sum is completely divisible by 13?

A
11
B
8
C
13
D
9
Question 823
GK

ABCD is a trapezium in which BC $||$ AD and AC = CD. If $\angle$ABC = $38^\circ$ and $\angle$BAC = $65^\circ$, then what is the measure of $\angle$ACD (in degree)?

A
34
B
11
C
37
D
26
Question 824
GK

A shopkeeper marked a toy car at ₹850 and sold it by allowing $15\%$ discount, thereby gaining $25\%$. Find the cost price of the toy car.

A
₹578
B
₹662
C
₹723
D
₹638
Question 825
GK

A man goes to Lucknow from Kanpur at a speed of 15 km/hr and returns to Kanpur at speed of 30 km/hr, through the same route. What is his average speed (in km/hr) of the entire journey?

A
22
B
20
C
19
D
14