1. A container contains 40 litres of milk. From this container, 4 litres of milk was taken out and replaced by water. This process was repeated further two times. How much milk is now contained by the container? (4)
- (1) 26.34 litres
- (2) 27.36 litres
- (3) 28 litres
- (4) 29.16 litres
- (5) None of these
2. A jar has 40 litre milk. From the jar, 8 litres milk was taken out and replaced with an equal quantity of water. Again if 8 litres of the newly formed mixture is taken out of the jar and replaced with water, what is the final quantity of milk left in the jar? (5)
- (1) 30 l
- (2) 20 l
- (3) 22 l
- (4) 25 l
- (5) None of these
3. 9 litres of water are drawn from a cask full of water and it is then filled with milk. 9 litres of mixture are drawn and the cask is again filled with milk. The quantity of water now left in the cask to that of milk in it is 16 : 9. How much does the cask hold? (1)
- (1) 45 litre
- (2) 48 litre
- (3) 50 litre
- (4) 42 litre
- (5) None of these
4. Kumar purchased 320 kg of Rice @17.60/kg and mixed it with 160 kg of rice purchased @16.40/kg. He wants to earn a profit of Rs. 9.45 per kg by selling it. What should be the selling price of the mix.Per kg? (4)
- (1) Rs. 22.55
- (2) Rs. 24.75
- (3) Rs. 26
- (4) Rs. 26.65
- (5) None of these
5. A vessel of 70 l is filled with milk and water. 75% of milk and 25% of water is taken out of the vessel. It is found that the vessel is vacated by 60%. Find the initial quantity of water. (1)
- (1) 21 litre
- (2) 22 litre
- (3) 24 litre
- (4) 25 litre
- (5) None of these