1. A milk seller has milk of Rs 100 per litre, in what ratio should water be mixed in that milk so that after selling the mixture at Rs 80 per litre, he may get a profit of 50%? (1)
- (1) 7 : 8
- (2) 7 : 9
- (3) 9 : 7
- (4) 7 : 5
- (5) None of these
2. A person has Rs 8400. He lent a part of it at 4% and the remaining at 10/3% at simple interest. His total annual income was Rs 294. Find the sum he lent at 4% (4)
- (1) Rs 2310
- (2) Rs 2110
- (3) Rs 2500
- (4) Rs 2100
- (5) None of these
3. 600 g of sugar solution has 40% sugar in it. How much sugar should be added to make it 50% in the solution? (2)
- (1) 160 g
- (2) 120 g
- (3) 130 g
- (4) 140 g
- (5) None of these
4. A butler stole wine from a butt of sherry which contains 15% of spirit and he replaced what he had stolen by wine containing 6% of spirit. The butt was then 9% strong only. How much of the butt did he stole? (3)
- (1) 2/3
- (2) 1/3
- (3) 2/5
- (4) 3/5
- (5) None of these
5. Gita buys a plot of land for Rs 36000. She sells 2/5 of it at a loss of 6%. She wants to make a profit of 10% on the whole transaction by selling the remaining land. The gain % on the remaining land is (2)
- (1) 20
- (2) 20 2/3
- (3) 14
- (4) 7
- (5) None of these