If the mean of five numbers 1, 2, 3, 5, and x is 2.4, then find the value of x.

3 1  2 4

1

If the mean of five numbers 1, 2, 3, 5, and x =2.4 The sum of five numbers = 2.4 × 5 = 12 according to the question = 1 + 2 + 3 + 5 + x = 12 11 + x = 12 x = 12 - 11 = 1