Average of 45,60,75,90 is MCQ with Answer and Explanation

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Average of 45,60,75,90 is

A. 68

B. 70

C. 67.5

D. 65

Answer: Option C

Solution (By JKExamLibrary)

270/4=67.5.

This question belongs to: Maths Average

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Question #1

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Average of 20 numbers 70. If 5 numbers average 80, average of remaining 15?

A. 67

B. 68

C. 66.67

D. 65

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Correct Answer: Option C

Explanation:
Total=1400. 5=400. Remaining=1000/15≈66.67.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 1490. If average of 6 is 1485, average of remaining 3?

A. 1498

B. 1500

C. 1505

D. 1495

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Correct Answer: Option B

Explanation:
Sum9=13410. Sum6=8910. Remaining=4500. Average=1500.

This question belongs to: Maths Average

Question #3

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The average of 9 consecutive integers is 15. What is the largest integer?

A. 18

B. 20

C. 17

D. 19

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Correct Answer: Option D

Explanation:
Middle (5th) is 15. Largest =15 +4 =19.

This question belongs to: Maths Average

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