Mathematics MCQ Question and Answer
Mathematics MCQ Question and Answer
81. The milk and water ratio in 16 litre mixture is 5 : 3, then the amount of milk to be added to make this ratio 2: 1 is
- 2 litres
- 3 litres
- 4 litres
- 5 litres
82. The compound interest on Rs 8,000 at 20% per annum for 9 months compounded quarterly is
- 1,260
- 1,261
- 1,271
- 1,281
83. Som purchased a cycle for Rs 1,664 including sales lax. The list price of the cycle is Rs 1,600, and then the rate of sales tax is
- 4%
- 5%
- 6%
- 7%
84. If the cost price of 18 chairs is equal to selling price of 16 chairs, then the gain percent is
- 12.5%
- 13%
- 13.5%
- 14%
85. Quicklime contains 28.6% of oxygen by weight, and then the weight of oxygen in 750 gram quicklime is
- 200 gm
- 214.5 gm
- 217 gm
- 220 gm
87. A defective briefcase costing Rs 800 is being sold at a loss of 8%. If the price is further reduced by 5%, then its selling price is
- Rs 850
- Rs 800
- Rs 750
- Rs 699.20
88. The total expenditure of a family on certain quantities of different household commodities in 1985 was Rs 6,000 and the cost of living index of 1996 on the basis of 1985 was 172.50. Then how much did the family spend in 1996 on the same quantities of commodities?
- Rs 11,500
- Rs 11,000
- Rs 10,350
- Rs 10,500
89. The compound interest on Rs 10,000 in 2 yeas at 4% per annum is
- Rs 1,032
- Rs 1,045
- Rs 1,100
- Rs 1,150