Q. The sum of 15% of a positive number and 10% of the same number is 70. What is twice of that number?
1) 280
2) 140
3) 440
4) 560
Q. The difference between the simple interest and the compound interest compounded yearly at the rate of 4% in a two year period is Rs. 10. The amount of investment is
1) 4500
2) 5750
3) 6000
4) 6250
Q. One pipe can fill a drum in 15 minutes. Another pipe at the bottom of the drum can empty it in 30 minutes. When both the pipes are opened, then how long will it take to fill the drum?
1) 15 minutes
2) 20 minutes
3) 40 minutes
4) 30 minutes
Q. A man buys two chairs for a total cost of Rs. 800. By selling one at 3/4 of its cost price and the other at 4/3 of its cost price, he loses Rs. 25. What did he pay for the chairs?
1) Rs. 500, 300
2) Rs. 400, 400
3) Rs. 600, 200
4) Rs. 700, 100
Q. A number consists of three digits. The middle figure is the sum of the other two. The first figure is equal to the square of the third. The number is -
1) 121
2) 442
3) 993
4) None of these
Q. The sum of three numbers is 57 and the ratio of the first to the second is 3:7 and that of the second number is
1) 21
2) 27
3) 18
4) 14
Q. A shopowner gives a discount of 10% on the marked price of a radio, but in the bargain makes a profit of 10%. If the marked price is Rs. 330, then the cost price is
1) Rs. 297
2) Rs. 300
3) Rs. 315
4) Rs. 270
Q. Which one of the following numbers has got the highest value?
1) 53/4
2) 25/6
3) 127/25
4) 121/9
Q. 20 men can finish a work in 30 days. After 10 days, 10 men leave the work. Remaining men work for next 10 days. How many extra men are required?
1) 20
2) 25
3) 15
4) 10
Q. You bought some apples. On the first day, you ate one and 1/4 of the remainder. On the third day, you ate the entire remaining balance of 3. How many apples did you buy?
1) 9
2) 13
3) 19
4) None of these
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