AFCAT Exam (I)- 2020 Defence Question Paper

AFCAT Previous Year Question Papers Question Papers
AFCAT Exam (I)- 2020

AFCAT Exam (I)- 2020 Defence Questions

41.
Two bullets are fired at an interval of 15 minutes but a bus approaching the place of firing hears the second bullet after 14.5 minutes. If the speed of sound is 330 metres per second, what is the speed of the bus?
A.
30 km/hr
B.
41 km/hr
C.
50 km/hr
D.
70 km/hr
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ANSWER :
B. 41 km/hr
42.
Two trains A and B started from a point and are running perpendicularly. If the speeds of train A and train B are 1.5 km/hr and 2 km/hr respectively, find the distance between them after 2 hours.
A.
6 km
B.
5 km
C.
7 km
D.
8 km
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ANSWER :
B. 5 km
43.
Average weights of section X and section Y are 50 and 45. If there are 30 students in section X and 20 students in section Y then find average weight of all students.
A.
46
B.
47
C.
48
D.
49
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ANSWER :
C. 48
44.
Cost price of 20 articles is equal to selling price of 15 articles. Find profit percentage.
A.
25%
B.
66.67%
C.
50%
D.
33.33%
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ANSWER :
D. 33.33%
45.
Average age of 40 students of class A is 16 years and average age of 60 students of class B is 20 years. Find average age of both classes.
A.
16.8
B.
17.6
C.
18.4
D.
19.2
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ANSWER :
C. 18.4
46.
In a French library, 5% of books are in English, 10% of remaining books are in Hindi and 15% of remaining books are in Sanskrit. If the remaining books are in French and such books are 11628 then find the total number of books in the library.
A.
16600
B.
20000
C.
16000
D.
18000
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ANSWER :
C. 16000
47.
The selling price of 30 kg of rice is same as the cost price of "x" kg of rice. If shopkeeper sells rice at 20% profit, then find the value of x.
A.
30
B.
36
C.
48
D.
24
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ANSWER :
B. 36
48.
Two vertical poles cast shadows of length 12 m and 14 m on road. If length of first pole is 48 m then find length of second pole.
A.
42 m
B.
56 m
C.
70 m
D.
28 m
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ANSWER :
B. 56 m
49.
The ratio between m and n is 2 : 3, then find the value of \( \frac{3m + n}{6m - n} \).
A.
1
B.
4
C.
3
D.
2
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ANSWER :
A. 1
50.
Cost price of 25 items is Rs. 300. If 15 items are sold at 30% profit and rest are sold at 20% profit, then find overall selling price of 25 items.
A.
Rs. 340
B.
Rs. 428
C.
Rs. 378
D.
Rs. 418
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ANSWER :
C. Rs. 378
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