The average of six numbers is 20. If one number is removed, the average becomes 15. What is the number removed ?
A. 5
B. 35
C. 112
D. 45
Answer: Option D
Solution (By Examveda Team)
According to the question,Average of six numbers is = 20
Sum of six numbers is
= 20 × 6 = 120
One number is removed then,
Average of five numbers is = 15
Sum of five numbers is = 15 × 5 = 75
∴ Remove number is
= 120 - 75 = 45
This Question Belongs to Arithmetic Ability >> Average
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