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

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Average of 45,60,75,90 is

A. 67.5

B. 68

C. 65

D. 70

Answer: Option A

Solution (By JKSSB Mock Tests)

270/4=67.5.

This question belongs to: Maths Average

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Question #1

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Average of 15 numbers 2260. If average of 9 is 2255, average of remaining 6?

A. 2268

B. 2267.5

C. 2270

D. 2265

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Correct Answer: Option B

Explanation:
Sum15=33900. Sum9=20295. Remaining=13605. Average=2267.5.

This question belongs to: Maths Average

Question #2

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The average salary of 15 employees is ₹24,000. If the manager earning ₹45,000 leaves, what is the average salary of the remaining employees?

A. ₹22,500

B. ₹23,000

C. ₹25,000

D. ₹24,000

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Correct Answer: Option A

Explanation:
Total salary = 15×24000 = 360000. Remaining salary = 360000−45000 = 315000. Average = 315000/14 = 22500.

This question belongs to: Maths Average

Question #3

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Average of 1335,1780,2225 is

A. 1780

B. 1790

C. 1775

D. 1770

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Correct Answer: Option A

Explanation:
5340/3=1780.

This question belongs to: Maths Average

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