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A rifleman is firing at a distance targe...

A rifleman is firing at a distance target and hence has only 10% chance of hitting it. Find the number of rounds; he must fire in order to have more than 50% chance of hitting it at least once.

A

5

B

7

C

9

D

11

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • A rifleman is firing at a distant target and has only 10% chance of hitting it. The number of least rounds, he must fire in order to have more than 50% chance of hitting it at least once is-

    A
    5
    B
    7
    C
    9
    D
    11

    • Similar Questions

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