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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 are fired in all possible directions. The ratio of maximum areas covered by the bullets fired by the two guns, on the ground is -

1. 1 : 16
2. 1 : 8
3. 1 : 2
4. 1 : 4

Correct answer: 1 : 16

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