RRB-NTPC 2021 General Awareness

Practice subject-wise previous year questions

Question 651
GK

Gyamel starts from Point A and drives 20 km towards West. He then takes a left turn, drives 18 km, turns left and drives 23 km. He then takes a left turn and drives 25 km. He takes a final left 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
5 km to the West
B
4 km to the South
C
7 km to the South
D
6 km to the North
Question 652
GK

A is the sister of H. H is the father of E. E is the son of N. M is the mother of N. How is A related to N?

A
Daughter's husband's mother
B
Daughter's husband's sister
C
Husband's mother
D
Husband's sister
Question 653
GK

In the following triad, 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. GAIN - AIGN - NIAG SINE - INSE - ENIS

A
GAME - AMGE - AMEG
B
MONK - OMNK - KONM
C
SEAT - SAET - TAES
D
RICE - ICRE - ECIR
Question 654
GK

In the following triad, each group of letters is related to the subsequent one following a certain logic. Select from the given options, the one that follows the same logic. MARK - MKRA - KRAM PLAY - PYAL - YALP

A
TRAY - TRYA - RAYT
B
FIRE - IFRE - EIRF
C
GATE - GTAE - ETAG
D
BUSH - BHSU - HSUB
Question 655
GK

In $\triangle ABC$, $BD \perp AC$ at $D$ and $\angle DBC = 39^\circ$. $E$ is a point on $BC$ such that $\angle CAE = 16^\circ$. What is the measure of $\angle AEB$?

A
$82^\circ$
B
$66^\circ$
C
$67^\circ$
D
$74^\circ$
Question 656
GK

One-third of a journey is covered at a speed of 2 km/hr, the next one-third of the journey is covered at a speed of 87 km/hr and the remaining journey is covered at a speed of 53 km/hr. The average speed (in km/hr, rounded off to 1 decimal place) for the entire journey is:

A
2.7
B
5.7
C
8.3
D
4.5
Question 657
GK

The number 814242541 is divisible by which of the following?

A
8
B
12
C
7
D
15
Question 658
GK

I bought two speakers for ₹1,200. I sold the first one at a loss of 8% and the second at a gain of 22%. If, on the whole I made neither a loss nor a gain, find the cost price (in ₹) of the first speaker.

A
864
B
900
C
880
D
904
Question 659
GK

Find the least number of square tiles required to completely cover a floor of dimensions 12.15 m by 11.34 m.

A
230
B
150
C
210
D
250
Question 660
GK

Sapna invested ₹22,400 on simple interest, partly at 13% per annum and partly at 3% per annum. If she earns equal interests from the two investments after 7 years, then find the sum invested at 13% per annum (in ₹).

A
4,198
B
4,203
C
4,200
D
4,197
Question 661
GK

What is the median of the following data? 57, 96, 60, 91, 69, 50, 72, 16, 78, 73, 55

A
70
B
69.5
C
69
D
68.5
Question 662
GK

If the third proportional of 9 and 57 be x, then what is the value of x?

A
363
B
361
C
358
D
364
Question 663
GK

An item is marked at ₹8,000. Two successive discounts of 10% and 15% are allowed. Find the equivalent single discount rate.

A
22.5%
B
23.5%
C
25.5%
D
24.5%
Question 664
GK

A sum of ₹625 amounts to ₹841 in 2 years at a certain rate of interest per annum, compounded annually. The rate of interest per annum is:

A
18%
B
19%
C
16%
D
17%
Question 665
GK

A man driving a car at a speed of 84 km/hr crosses a bridge in 1.6 minutes. Find the length of the bridge.

A
2.24 km
B
1.81 km
C
2.46 km
D
1.82 km
Question 666
GK

Which of the following numbers is divisible by 5?

A
61,75,753
B
65,67,359
C
71,32,954
D
70,48,030
Question 667
GK

2 years ago, the age of a father was 22 years more than twice his son's age. After how many years, from now, will he be twice his son's age?

A
17
B
16
C
21
D
20
Question 668
GK

The sum of the squares of two consecutive even natural numbers is 2180. The sum of the numbers is:

A
72
B
74
C
66
D
82
Question 669
GK

M and N start a business. M invests ₹35,000 more than N for 7 months and N invests for 5 months. M's share is ₹372 more than that of N, out of a total profit of ₹1,860. Find the capital contributed by M.

A
₹5,35,000
B
₹6,25,000
C
₹5,25,000 
D
₹6,00,000
Question 670
GK

A number, when increased by 100%, gives 2790. The number is:

A
697.5
B
2790
C
4185
D
1395
Question 671
GK

Aarti, Anil, and Naveen invest ₹1,110, ₹1,760, and ₹1,230 respectively to start a business. If the profit at the end of the year is ₹1,620, then what is the share of Naveen in the profit?

A
₹487
B
₹486
C
₹483
D
₹488
Question 672
GK

The marked price of a watch is ₹2,860. A man bought the watch for ₹2,390.96, after getting two successive discounts, one of which is 12%. What is rate of the other discount?

A
8%
B
7%
C
5%
D
6%
Question 673
GK

In an election between two candidates 80% of the registered voters cast their vote and 15% of the votes polled were found invalid. The winning candidate got 60% of the valid votes and won the election by a margin of 1394 votes. How many voters were registered?

A
10251
B
10250
C
10252
D
10248
Question 674
GK

The average runs scored by a batsman in 23 matches is 41. In the next 10 matches, the batsman scored an average of 15 runs. Find his average runs scored (rounded off to two decimal places) in all the 33 matches.

A
32.12
B
34.12
C
35.12
D
33.12
Question 675
GK

₹30,600 was divided among A, B and C such that 8 times the share of A = 4 times the share of B = 3 times the share of C. Find the share of A.

A
₹5,400
B
₹5,252
C
₹5,594
D
₹5,377