1. In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is: (2)
- 1. 75 cu. m
- 2. 750 cu. m
- 3. 7500 cu. m
- 4. 75000 cu. m
2. A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is: (3)
- 1. 720
- 2. 900
- 3. 1200
- 4. 1800
3. 66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be: (1)
- 1. 84
- 2. 90
- 3. 168
- 4. 336
4. A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is: (2)
- 1. 12 kg
- 2. 60 kg
- 3. 72 kg
- 4. 96 kg
5. 50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 m3, then the rise in the water level in the tank will be: (2)
- 1. 20 cm
- 2. 25 cm
- 3. 35 cm
- 4. 50 cm