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Two guns A and B can fire bullets at spe...

Two guns A and B can fire bullets at speeds 1 km/s and 2 km/s respectively. From a point on a horizontal ground, they ared fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the ground is :

A

`1: 16`

B

`1:2`

C

`1:4`

D

`1:8`

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