1.

Cards marked with number 3, 4, 5, .... 50 are placed in a box and mixed thoroughly. A card is drawn at random from the box. Find the probability that the selected cards bears a perfect square number.

Answer»


ANSWER :Total cards = 50 – 3 + 1 = 48 perfect squares are 4, 9, 16, 25, 36, 49
Required PROBABILITY `=(6)/(48)=(1)/(8)`


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