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Solution


Q.

A box contains cards numbered 6 to 55. A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square, is
1 7/50  
2 7/55  
3 1/10  
4 5/49  

Ans.

(3)

Given, A box contains card numbered 6 to 55.

Total number of cards = 50

Perfect square number are = 9, 16, 25, 36, 49

∴ Required Probability = 5/50 = 1/10