The average of 11 results is 50. If the average of the first six results is 49 and that of the last six is 52, the sixth number is -

A. 48

B. 50

C. 52

D. 56

Answer: Option D

Solution(By Examveda Team)

According to the question,
Average of 11 numbers is = 50
sum of 11 numbers is = 50 × 11 = 550

∴ VI number
= 312 + 294 - 550
= 56