Probability Practice Test 2

Question : 30 of 37

Marks: +1, -0

A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawinga number, which is a square, is

Solution:

Total number of ways

= ^100C_1 = 100

Favourable numbers are

1^2, 2^2 , ..., 10^2

.
Therefore favourable ways = 10
∴ Probability

= 10/100 = 1/10

Go to Question:

Prev Question

Next Question