The average of 55,65,75 is MCQ with Answer and Explanation

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The average of 55,65,75 is

A. 70

B. 65

C. 68

D. 60

Answer: Option B

Solution (By JKSSB Mock Tests)

195/3=65.

This question belongs to: Maths Average

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Question #1

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The average of 7 consecutive odd numbers is 15. What is the largest number?

A. 17

B. 21

C. 23

D. 19

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Correct Answer: Option B

Explanation:
In consecutive odd numbers, average = middle term. So 4th number =15, largest =15+6=21.

This question belongs to: Maths Average

Question #2

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

A. 45

B. 40

C. 44

D. 42

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Correct Answer: Option D

Explanation:
Sum=210. Average=42.

This question belongs to: Maths Average

Question #3

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Average of 40 numbers 65. If 15 numbers average 70, average of remaining 25?

A. 63

B. 60

C. 62

D. 64

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Correct Answer: Option C

Explanation:
Total=2600. 15=1050. Remaining=1550/25=62.

This question belongs to: Maths Average

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