Multiple choice

The average marks scored by Rakesh in 6 out of seven subjects in an examination is 76. To get an average of 80 in seven subjects together, what is the score that Rakesh must get in seventh subject?

  1. 34

  2. 104

  3. 94

  4. 105
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Total needed for 7 subjects at average 80 = 7 × 80 = 560. Current total from 6 subjects at average 76 = 6 × 76 = 456. Required seventh score = 560 - 456 = 104.

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