Question:
How many spherical bullets can be made out of a lead cylinder 28cm high and with radius 6 cm, each bullet being 1.5 cm in diameter?
A ) 1795
B ) 1892
C ) 1772
D ) 1792
Question:
A Cone, a hemisphere and a cylinder stand on equal bases and have the same height. Find the ratio of their volumes.
A ) 2:4:6
B ) 1:5:8
C ) 1:2:3
D ) 1:4:6
Question:
The dimensions of an open box are 50 cm, 40 cm, and 23 cm. Its thickness is 2 cm. If 1 cubic cm of metal used in the box weighs 0.5 gms, find the weight of the box.
A ) 7.04 kg
B ) 6.04 kg
C ) 8.04 kg
D ) 9.04 kg
Question:
A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:
A. 3.6 kg
B. 3.696 kg
C. 36 kg
D. 36.9 kg
Question:
In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of the ground is:
A) 75 ㎥
B) 750 ㎥
C) 7500 ㎥
D) 75000 ㎥
