A bullet loses 1/20 of its velocity on passing through a plank.The least number of planks required to
stop the bullet is
a) 10
b) 11
c) 12
d) 13
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A bullet loses 1/20 of its velocity on passing through a plank.The least number of planks required to
stop the bullet is
a) 10
b) 11
c) 12
d) 13
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Answer:
10..................