The average of 1140,1520,1900 is MCQ with Answer and Explanation

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The average of 1140,1520,1900 is

A. 1515

B. 1510

C. 1530

D. 1520

Answer: Option D

Solution (By JKSSB Mock Tests)

4560/3=1520.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers is 28. If average of first 5 is 25, average of last 5 is 31, 5th number?

A. 27

B. 28

C. 26

D. 29

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Correct Answer: Option B

Explanation:
Sum9=252. Sum1-5=125. Sum5-9=155. 5th=125+155-252=28.

This question belongs to: Maths Average

Question #2

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Average of 45,60,75,90 is

A. 70

B. 67.5

C. 68

D. 65

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Correct Answer: Option B

Explanation:
270/4=67.5.

This question belongs to: Maths Average

Question #3

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The average of 7 numbers is 29. If each number is multiplied by 3, what is the new average?

A. 86

B. 58

C. 87

D. 29

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Correct Answer: Option C

Explanation:
New average =29×3=87.

This question belongs to: Maths Average

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