Question

Pramod scores an average of 60 % in an examination consisting of 15 papers. He scores only 40 % on average in five of them. What is his average score in the remaining papers? 
1. 100%
2. 80%
3. 65%
4. 70%

Answer 1

Correct Answer - Option 4 : 70%

Given:

Pramod score 60% in 15 papers

Concept:

Average = (Sum of all scores)/(Number of scores)

Calculation:

Let be assume the average of the remaining papers is x.

⇒ Total % = 60 × 15 = 900

⇒ (40 × 5) + (10 × x) = 900

⇒ x = 70%

∴ The required result will be 70%.