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Question
4
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A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:
1. 4830 2. 5120 3. 6420 4. 8960
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Question
6
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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:
1. 20 cm 2. 25 cm 3. 35 cm 4. 50 cm
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Question
9
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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:
1. 720 2. 900 3. 1200 4. 1800
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