1. How much does a watch lose per day, if its hands coincide every 64 minutes?
- 90 min
- 99 min
- 96 min
- 32 min
- 36 min
2. 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?
- 18 litres
- 24 litres
- 32 litres
- 42 litres
- 50 litres
3. A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
- 3
- 4
- 5
- 5
- 6
- 7
4. What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?
- 1
- 14
- 20
- 21
- 25
5. The true discount on a bill of Rs. 540 is Rs. 90. The banker's discount is:
- 60
- 108
- 110
- 112
- 120
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