A student scored 75, 80, 85 in three tests. What marks should he score in fourth test to make average 82? MCQ with Answer and Explanation

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A student scored 75, 80, 85 in three tests. What marks should he score in fourth test to make average 82?

A. 88

B. 85

C. 90

D. 92

Answer: Option A

Solution (By JKSSB Mock Tests)

Total for 4 tests =4×82=328. Sum of three=240. Required=328-240=88.

This question belongs to: Maths Average

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The average of 27,36,45 is

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Correct Answer: Option D

Explanation:
108/3=36.

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Question #2

Average of 12 numbers 55. If average of 8 is 50, average of remaining 4?

A. 70

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C. 62.5

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Correct Answer: Option D

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Sum12=660. Sum8=400. Remaining=260. Average=65.

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The average of 28,35,42,49,56 is

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B. 42

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Correct Answer: Option B

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