Q. A man can swim at the rate of 4 km/hr in still water. If the speed of the water is 2km/hr, then the time taken by him to swim 10 km upstream is
1) 2 1/2 hrs
2) 3 1/2 hrs
3) 5 hrs
4) 4 hrs
Q. A train is running at a speed of 90 km/hr. If it crosses a signal in 10 sec, the length of the train in metres is
1) 150
2) 324
3) 900
4) 250
Q. Kishan spends 30% of his salary on food and donates 3% in a Charitable Trust. He spends Rs. 2,310 on these two items, then total salary for that month is
1) Rs. 6,000
2) Rs. 8,000
3) Rs. 9,000
4) Rs. 7,000
Q. A's salary is increased by 10% and then decreased by 10%. The change in salary is
1) 0%
2) 1% decrease
3) 1% increase
4) 2% decrease
Q. A sells a cycle to B at a profit of 10%, B sells to C at a profit of 20%. If C pays Rs. 264 for it, how much did A pay for it?
1) Rs. 200
2) Rs. 220
3) Rs. 225
4) Rs. 234
Q. If a man were to sell his handcart for Rs. 720, he would lose 25%. To gain 25%, the selling price is
1) Rs. 960
2) Rs. 1,200
3) Rs. 1,000
4) Rs. 2,100
Q. A man purchases two fans for Rs. 2,160. By selling one fan at a profit of 15% and the other at a loss of 9% he neither gains nor loses in the whole transaction. Find the cost price of each fan in Rs.
1) 710, 1450
2) 1530, 630
3) 810, 1350
4) 1340, 820
Q. Average of first five odd multiple of 3 is
1) 12
2) 16
3) 15
4) 21
Q. If a man receives on one-fourth of his capital 3% interest, on two-thirds 5% and on the remainder 11%, the percentage he receives on the whole is
1) 4.5
2) 5
3) 5.5
4) 5.2
Q. On mixing two classes A and B of students having average marks 25 and 40 respectively, the overall average obtained is 30. Find the ratio of the students in the classes A and B.
1) 2 : 1
2) 5: 8
3) 5 : 6
4) 3 : 4
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