Correct Answer - Option 1 : 83
Given:
Total score = 85%
The scores were 79, 81, 88 and 94 in 4 subjects
Concept Used:
Percentage is used to solve.
Calculation:
Let the marks of 5th subject be 'x'.
Sum of marks of 4 subject = 79 + 81 + 88 + 94 = 342
Total marks of 5 subject = x + 342
Full marks of each subject = 100
Full marks of total subject = 500
According to the question,
(x + 342) = 85% of 500
⇒ x + 342 = (85 × 500)/100
⇒ x = 425 – 342
⇒ x = 83
∴ The score in 5th subject is 83.
