1.The difference (in ruppes) in discounts between two successive discounts of 8% each and a single discount of 16% on 1,000 is (2)
(a) 64
(b) 6.40
(c) 4.60
(d) 46
2.If a shopkeeper marks the price of goods 50% more than their cost price and allows a discount of 40%, what is his gain or loss percent? (4)
(a) Gain 10%
(b) Gain 15%
(c) Loss 15%
(d) Loss 10%
3.Two numbers are in the ratio 9 : 16. If each number is increased by 15, then the ratio becomes 2 : 3. The numbers are (4)
(a) 18 and 32
(b) 24 and 36
(c) 36 and 48
(d) 27 and 48
4.The weights of zinc, copper and aluminium in an alloy are in the ratio 2 : 3 : 7. In the alloy weighting 48 kg, the difference in weights of zinc and aluminium is (3)
(a) 5 kg
(b) 16 kg
(c) 20 kg
(d) 4 kg
5.A cricketer scored 180 runs in the first test and 258 runs in the second. How many runs should he score in the third test so that his average score in the (4)
(a) 12.0
(c) 11.0
(b) 11.5
d) 10.5
