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A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability drawing a number which is a square is ?
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- 1/5
- 2/5
- 1/10
- None of these
Correct Option: C
Total ways = 100
Squares of following no's lie between 1 and 100,
12, 22, 32 , 42, 52 , 62, 72, 82 , 92 , 102
(Which are 10 in numbers.)
So. Required probability = 10/100 = 1/10