The sum of five numbers is 655. The average of the first two numbers is 78 and the third number is 103. Find the average of the remaining two numbers?

Correct option is C

Given:

Total sum of 5 numbers = 655

Average of first 2 numbers = 78 

Third number = 103

Formula Used:

Sum of first 2 numbers = Average × 2

Remaining sum = Total sum − (Sum of first 2 numbers + third number)

Average of remaining 2 numbers = Remaining sum ÷ 2

Solution:

Sum of the first two numbers = 78 × 2 = 156

Sum of first 3 numbers = 156 + 103 = 259

Remaining sum = 655 − 259 = 396

Average of remaining 2 numbers = $$\frac{396}{2}$$​ = 198