Q. Two trains, each of length 150 metres, are moving in opposite directions with equal speed of 90 km per hour. The time taken by the trains to cross each other will be -
1) 3 seconds
2) 4.5 seconds
3) 6 seconds
4) 9 seconds
Q. A man walks 3 km towards north of his house and turns left and walks 2 km. Then he turns right and walks 1 km. Then he again turns right and walks 5 km. How far is he now from his house?
1) 4 km
2) 5 km
3) 8 km
4) 11km
Q. The sum of ages of three brothers born at intervals of 5 years, is 36 years. The difference between the ages of eldest and the youngest brother is -
1) 5 years
2) 10 years
3) 12 years
4) 15 years
Q. Find the least perfect square that is divisible by 21, 36 and 66.
1) 214344
2) 213444
3) 231444
4) 214434
Q. A vessel contains 20 liters containing milk and water in the ratio 3 : 2. Ten liters of this milk is removed and replaced with equal amount of pure milk. If this process is repeated once again, find the final ratio of milk and water.
1) 4 : 1
2) 5 : 3
3) 9 : 1
4) 1 : 4
Q. Which number will best complete the relationship given below?
6 : 24 :: 120 : ?
1) 212
2) 215
3) 229
4) 210
Q. Simplify : (5 + 0.5 + 0.005 + 0.0005 + 0.05) x 2
1) 11.011
2) 10.111
3) 11.111
4) 11.001
Q. The radius of a sphere is 3 times the radius of a cylinder. If their volumes are equal, find the height of the cylinder.
1) 3 times its radius
2) 27 times its radius
3) 36 times its radius
4) Equal to its radius
Q. What should be the smallest integer in place of * if the number 502*693 is exactly divisible by 9?
1) 3
2) 2
3) 4
4) 0
Q. The price of a book was first increased by 25% and then reduced by 20%. What is the change in its original price?
1) 10% increase
2) No change
3) 5% decrease
4) 10% decrease