Question

The sum of three consecutive even numbers is 15 less than three fourth of 60. What is middle number?​

Answer 1

Answer:

Let 3 consecutive no. be x-1, x, x+1

x-1 + x + x+1 = 3/4×60 -15

3x = 3×15 -15

3x = 45 - 15

3x = 30

x=10