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
Q. If the income of Ram is 20 less than Shyam, then Shayam's income is greater than that of the Ram's by
1) 20%
2) 25%
3) 30%
4) 15%
Q. The average marks obtained by 20 students is 45. The average of first ten is 50 and that of the last nine is 40. What are the marks obtained by the 11th student?
1) 30
2) 50
3) 40
4) 45
Q. The compound interest on Rs. 4000 at the rate of 10% for two years is -
1) Rs. 840
2) Rs. 820
3) Rs. 780
4) Rs. 860
Q. A person after 4 years will be twice as old as his son. The sum of their ages is 46. What is the son's age today?
1) 16 years
2) 14 years
3) 15 years
4) 13 years
Q. The area of a square is x. If its side is doubled, then its area will be
1) x2
2) 2x
3) 4x
4) x2/2
Q. A triple successive discount of 20%, 10% and 5% is equal to a single discount of -
1) 40%
2) 35%
3) 31.60%
4) 25.7%
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