1.Some carpenters promised to do a job in 9 days but 5 of them were absent and remaining men did the job in 12 days. The original number of carpenters was (2)
- 24
- 20
- 16
- 18
2.A tree increased annually by 1/8th of its height. By how much will it increase after 2 yr, if it stands today 64 cm height? (4)
- 72 cm
- 74 cm
- 75 cm
- 81 cm
3.If a train runs of 40 km/h, it reaches its destination late by 11 min. But if it runs at 50 km/h, it is late by 5 min only. The correct time (in min) for the train to complete the journey is (3)
- 13
- 15
- 19
- 21
4. A right circular cylinder, a hemisphere and a right circular cone stand on the same base and have the same height. The ratio of their volumes is, then (3)
- 3 : 6 : 1
- 3 : 4 : 1
- 3 : 2 : 1
- 4 : 3 : 1
5.sum of money is sufficient to pay A’s wages for 21 days and B’s wages for 28 days. The same money is sufficient to pay the wages of both for (2)
- 24½ days
- 12 days
- 12¼ days
- 14 days
