NIELIT Scientist B Computer Science Paper 2017 – General Aptitude
What is the maximum number of distinct handshakes that can happen in the room with 5 people in it?
(a) 15
(b) 10
(c) 6
(d) 5
A train running at the speed of 60 kmph crosses a pole in 9 seconds. What is the length of the train?
(a) 120 meters
(b) 180 meters
(c) 324 meters
(d) 150 meters
The percentage profit earned by selling an article for Rs. 1,920 is equal to the percentage loss incurred by selling the same article for Rs. 1,280. At what price should the article be sold to make 25% profit?
(a) Rs. 2,000
(b) Rs. 2,200
(c) Rs. 2,400
(d) Data inadequate
A boatman goes 2 km against the current of the stream in one hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?
(a) 40 minutes
(b) 1 hour
(c) 1 hour 15 minutes
(d) 1 hour 30 minutes
The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years)
(a) 8, 20, 28
(b) 16, 28, 36
(c) 20, 35, 45
(d) None of the above options
A tank in filled by three pipes with uniform flow. The first two pipes operting simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The second pipe fills the tank 5 hours faster than the first pipe and 4 hours slower than the thrid pipe. The time required by the first pipe is
(a) 6 hours
(b) 10 hours
(c) 15 hours
(d) 30 hours
A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
(a) 34
(b) 40
(c) 68
(d) 88
In how many different ways can the letters of the word ‘CORPORATION’ be arranged so that the vowels always come together?
(a) 810
(b) 1440
9c) 2880
(d) 50400
Seats for Mathematics, Physics and Biology in a school are in the ratio of 5 : 7 : 8. There is a proposal to increase these seats by 40% , 50% and 75% respectively. What will be the ratio of increased seats?
(a) 2 : 3 : 4
(b) 6 : 7 : 8
(c) 6 : 8 : 9
(d) None of the above options
A flagstaff 17.5 m high casts a shadow of length 40.25 m. The height of the building, which casts a shadow of length 28.75 m under similar condition will be
(a) 10 m
(b) 12.5 m
(c) 17.5 m
(d) 21.25 m
396, 462, 572, 427, 671, 264 find the oddman out
(a) 396
(b) 427
(c) 671
(d) 264
2, 5, 10, 17, 26, 37, 50, 64 find the oddman out
(a) 50
(b) 26
(c) 37
(d) 64
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 4% per annum is Rs. 1. The sum (in Rs.) is
(a) 625
(b) 630
(c) 640
(d) 650
The angle of elevation of the sun, when the length of the shadow of a tree is 3 times the height of the tree, is
(a) 30 degree
(b) 45 degree
(c) 60 degree
(d) 90 degree
Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case. Then sum of the digits in N is
(a) 4
(b) 5
(c) 6
(d) 8
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