A box contains cards numbered 11 to 123. A card is drawn at random from the box
A box contains cards numbered 11 to 123. A card is drawn at random from the box. Find the probability that the number on the drawn card is
- a square number
- a multiple of 7
Answer
Total cards = 123 - 11 + 1 = 113
(i) P(square number) = 8/113
(ii) P(multiple of 7) = 16/113