Question

A number is selected at random from first 50 natural numbers. Find the probability that it is a multiple of 3 and 4.

Answer 1

Total number of possible outcomes, n(S) = 50 

Number of favorable outcomes, 

n(E) = 4

∴ P(E) = \(\frac{n(E)}{n(S)}\)= \(\frac{4}{50}\) = \(\frac{2}{25}\)