Quantitative Aptitude – Arithmetic – Average – Ramesh and Gautam are among 22 students

Slot – 1 – Quantitative Aptitude – Arithmetic – Average – Ramesh and Gautam are among 22 students

Ramesh and Gautam are among 22 students – Video

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Q. Ramesh and Gautam are among 22 students who write an examination. Ramesh scores 82.5. The average score of the 21 students other than Gautam is 62. The average score of all the 22 students is one more than the average score of the 21 students other than Ramesh. The score of Gautam is?

1. 48
2. 53
3. 51
4. 49

Answer: 51

Solution: Let the score of Gautam =x
Total marks of all the students = 21*62 +x
As per question The average score of all the 22 students is one more than the average score of the 21 students other than Ramesh,
Or (21*62 +x)/22 -1 = (21*62 +x – 82.5)/21
(21*62 + x -22)/22 = (21*62 +x – 82.5)/21
On solving x =51

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