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The average marks of 30 students are 45 but after checking, there are two mistakes found. After adjustment, if a student got 45 more marks and other student got 15 less marks, then what will be the adjusted average?

A) 45
B) 44
C) 47
D) 46

Correct Answer:




D) 46

Description for Correct answer:

Total number of all students of the class = 30 x 45 = 1350

Therefore, New average after adjustment = \( \Large \frac{1350 + 45 -15}{30} \) = \( \Large \frac{1380}{30} \) =46

Part of solved Average questions and answers : >> Aptitude >> Average

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