AFCAT Exam - 2021 Defence Question Paper

AFCAT Exam - 2021

AFCAT Exam - 2021 Defence Questions

1.
A completes a piece of work in 20 days and B completes the piece of work in 30 days. If both of them work together, how many days will it take?
A.
15 days
B.
12 days
C.
6 days
D.
9 days
ANSWER :
B. 12 days
2.
Ram and Shyam live in city A while Govind lives in city B. They plan to eat at a restaurant which lies in between the cities A and B. The distance between the cities is 1080 km. Ram is traveling 60 km/hr and Govind travels 120 km/hr. They leave at same time 6 AM. After some time Shyam also leaves. They all meet at the same time. What is the time?
A.
3 PM
B.
12 PM
C.
11 AM
D.
9 AM
ANSWER :
B. 12 PM
3.
Anuj's efficiency is 150% of Vinod efficiency. If Anuj can complete a piece of work in 10 days, then how much time (in days) will they both take to complete the same work?
A.
10
B.
8
C.
6
D.
15
ANSWER :
C. 6
4.
The salaries of A, B, C are in the ratio 2 : 3 : 5. If the increment of 15%, 10%, and 20% are allowed respectively in their salaries, then what will be the new ratio of their salaries?
A.
3 : 3 : 10
B.
10 : 11 : 20
C.
23 : 33 : 60
D.
15 : 10 : 20
ANSWER :
C. 23 : 33 : 60
5.
The compound interest on a certain sum for 3 years at 10% per annum is Rs. 500. The simple interest on the same sum for thrice the time at one-third the rate of interest per annum is:
A.
Rs. 429.73
B.
Rs. 630.57
C.
Rs. 453.18
D.
Rs. 815.07
ANSWER :
C. Rs. 453.18
6.
A boat takes same time to travel 40 km upstream and 60 km downstream. If the speed of the stream is 15 km/hr then find the time taken by the boat in one side.
A.
\( \frac{2}{3} \) hr
B.
\( \frac{3}{2} \) hr
C.
\( \frac{1}{3} \) hr
D.
\( \frac{4}{9} \) hr
ANSWER :
A. \( \frac{2}{3} \) hr
7.
A Rs. 100 shirt is offered at 10% discount and a Rs. 300 pair of trousers at 20% discount. If Pritam bought 1 shirt and 3 pairs of trousers, what is the effective discount (in %) he got?
A.
19
B.
18
C.
17
D.
16
ANSWER :
A. 19
8.
A sum of Rs. 12,800 is invested partly at 15% per annum and the remaining at 12% per annum simple interest. If the total interest at end of 3 years is Rs. 5,085, then how much money was invested at 15% per annum?
A.
Rs. 5,300
B.
Rs. 7,500
C.
Rs. 5,800
D.
Rs. 5,200
ANSWER :
A. Rs. 5,300
9.
A has thrice as much amount as that of B and B has 40% more amount than C. If the average of the amount of all three of them is Rs. 1320, then what amount (in Rs.) A has?
A.
2410
B.
2520
C.
2250
D.
3240
ANSWER :
B. 2520
10.
A shopkeeper sold two bags for Rs. 2500 each. He gains 25% on one while on the other he loses 20%. Find whether he made a gain or a loss in the whole transaction and also find the gain/loss percentage.
A.
2% loss
B.
2.43% loss
C.
2.5% profit
D.
2.5% loss
ANSWER :
B. 2.43% loss