Question

Cards marked with numbers 13, 14, 15, 16 . . . . . 40 are placed in a box and mixed thoroughly. One card is drawn at random from the box. Find the probability that number on the card drawn is a perfect square

Answer 1

Answer:

P(perfect square) = 3/28.

Explanation:

total no of cards=28

perfect square nos are ={16,25,36}

no of favourable outcomes= 3

P(perfect square) = 3/28.

Answer 2

Answer:

3/28 or 0.10

Explanation:

there are 3 such nos 16(4×4) , 25(5×5) ,36(6×6)