FREE DOWNLOAD THE PREVIOUS QUESTIONS ASKED IN DEFENCE FORCE RECRUITMENT NATIONAL DEFENCE ACADEMY
The question bank contains the questions which were already asked in previous NDA exams. The questions will give you a clear idea about the pattern required and followed in exams.
1. ?.081 x ?.484 / ?.0064 x ?6.25
(a) 9
(b) 0.9
(c) 99
(d) .99
Answer: d
2. If ?6 = 2.449, then value of 3?2/2?3 is:
(a) 0.6122
(b) 1.223
(c) 1.2245
(d) 0.8163
Answer; c.
3. Two years ago a man was 6 times as old as his son. After 18 years, he will be twice as old as his son. Their present ages are:
(a) 32,7
(b) 34,9
(c) 36,11
(d) None of these
Answer: a
4. The ages of two persons differ by 20 years. If, 5 years ago, the elder one be 5 times as old as younger one, their present ages are?
(a) 30,10
(b) 25,5
(c) 29,9
(d) 50,30
Answer: a
5. The retailer buys a radio for Rs 225. His overhead expenses are Rs15. He sells radio for Rs 300. The profit % of retailer?
(a). 10
(b) 25
(c). 50
(d) 52
Answer: b
6. An aeroplane travels distances 2500Km,1200Km & 500Km at the rate of 500Km/hr, 400 Km/hr & 250Km/hr respectively. The average speed of plane
(a) 405
(b) 410
(c) 420
(d) 575
Answer: c
7. If a train 110m long passes a telegraph pole in 3 sec, Then the time taken to cross a railway station 165m long is:?
(a) 3 sec
(b) 4 sec
(c) 5 sec
(d) 7.5 sec
Answer: d
8. If a 200m long train crosses a platform of same length as that of the train in 20sec, the speed of train in km/hr
(a) 50
(b) 60
(c) 72
(d) 80
Answer; c
9. A beam 9m long,40cm wide and 20cm high is made up of iron which weighs 50 kg per cubic metre. The weigh of beam in Kg is
(a) 56
(b) 48
(c) 36
(d) 27
Answer: c
10. The maximum length of a pencil in cm that can be kept is a rectangle box of dimensions 8cm x 6 cm x 2cm is
(a) 2?13
(b) 2?14
(c) 2?26
(d) 10?2
Answer: c
11. If the areas of three adjacent faces of a rectangle block are in ratio of 2:3:4 and its volume is 9000 cu.cm; then the length in cm of the shortest side is:
(a) 10
(b) 15
(c) 20
(d) 30
Answer: b
