Q. If the difference between the compound and simple interests on a certain sum of money for 3 years at 5 % per annum is Rs.15.25, then the sum is -
1) Rs. 2,000
2) Rs.1,000
3) Rs.1,500
4) Rs. 2,500
Q. The compound interest on Rs. 16,000 for 9 months at 20 % per annum, interest is compounded quarterly, is -
1) Rs. 2,520
2) Rs. 2,524
3) Rs. 2,522
4) Rs.2,518
Q. If the length of a rectangle is increased by 20% and its breadth is decreased by 20%, then its area -
1) increases by 4%
2) decreases by 4%
3) decreases by 1%
4) remains unchanged
Q. If the height and the radius of the base of a cone are each increased by 100%, then the volume of the cone becomes -
1) double that of the original
2) three times that of the original
3) six times that of the original
4) eight times that of the original
Q. A student has to secure a minimum of 35% marks to pass an examination. If he gets 200 marks and fails by 10 marks, then the maximum marks are -
1) 300
2) 400
3) 500
4) 600
Q. In a kilometre race, A beats B by 30 seconds and B beats C by 15 seconds. If A beats C by 180 metres, the time taken by A to run 1 kilometre, is -
1) 250 seconds
2) 205 seconds
3) 200 seconds
4) 210 seconds
Q. Two cars start at the same time from one point and move along two roads at right angles to each other. Their speeds are 36 km/hour and 48 km/hour respectively. After 15 seconds the distance between them will be -
1) 400 m
2) 150 m
3) 300 m
4) 250 m
Q. A train passes two persons walking in the same direction at a speed of 3 km/ hour and 5 km/ hour respectively in 10 seconds and 11 seconds respectively. The speed of the train is -
1) 28 km/hour
2) 27 km/hour
3) 25 km/hour
4) 24 km/hour
Q. A 120 m long train takes 10 seconds to cross a man standing on the platform. What is the speed of the train?
1) 12 m/sec
2) 10 m/sec
3) 15 m/sec
4) 20 m/sec
Q. A reduction of 15% in the price of apples would enable a purchaser to get 2 kg more apples for Rs. 240. The new price per Kg of apples is -
1) Rs. 15
2) Rs. 18
3) Rs. 20
4) Rs. 36
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