1. A group of students prepared stuffed toys as part of their group activity. They spent Rs. 100 on velvet, Rs 5 on thread and needle and Rs. 27 on miscellaneous items. They made 30 toys, 50% of which were purchased by force by some senior students causing them a loss of 50%. At what % profit should they sell the remaining toys so as to gain 50% on their total cost? (4)
- (1) 100%
- (2) 150%
- (3) 75%
- (4) 60%
- (5) None of these
2. A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 7/3 hours to fill the tank. The leak can drain all the water off the tank in: (2)
- (1) 8 hours
- (2) 7 hours
- (3) 13/3 hours
- (4) 14 hours
- (5) None of these
3. A boat while travelling upstream covers a distance of 18 km at the speed of 3 km/h, whereas while travelling downstream it covers the same distance at a speed of 9 km/h. What is the speed of the boat in still water? (4)
- (1) 3 km/h
- (2) 5 km/h
- (3) 7 km/h
- (4) Cannot be determined
- (5) None of these
4. The simple interest accrued on an amount of Rs. 20000 at the end of 3 years is Rs. 7200. What would be the compound interest accrued on the same amount at the same rate in the same period? (5)
- (1) Rs. 8342.36
- (2) Rs. 8098.56
- (3) Rs. 8246.16
- (4) Rs. 8112.86
- (5) None of these
5. The average weight of 4 men A, B, C and D, is 67 kg. The 5th man E is included and the average weight decreases by 2 kg. A is replaced by F. The weight of F is 4 kg more than E. Average weight decreases because of the replacement of A and now the average weight is 64 kg. Find the weight of A? (4)
- (1)78 kg
- (2)66 kg
- (3)75 kg
- (4)58 kg
- (5)None of these