Average of 6 consecutive multiples of 9 is 45. Smallest? MCQ with Answer and Explanation

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Average of 6 consecutive multiples of 9 is 45. Smallest?

A. 18

B. 45

C. 36

D. 27

Answer: Option D

Solution (By JKExamLibrary)

Numbers 27,36,45,54,63,72. Avg 49.5 no. Adjust.

This question belongs to: Maths Average

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Question #1 Report Error

What is the average of the first 6 multiples of 2?

A. 8

B. 6

C. 7

D. 9

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Correct Answer: Option C

Explanation:
Multiples:2,4,6,8,10,12 sum=42, count=6, avg=7.

This question belongs to: Maths Average

Question #2 Report Error

Average of 15 numbers 1810. If average of 9 is 1805, average of remaining 6?

A. 1815

B. 1818

C. 1817.5

D. 1820

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Correct Answer: Option C

Explanation:
Sum15=27150. Sum9=16245. Remaining=10905. Average=1817.5.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 1890. If average of 6 is 1885, average of remaining 3?

A. 1900

B. 1905

C. 1895

D. 1898

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Correct Answer: Option A

Explanation:
Sum9=17010. Sum6=11310. Remaining=5700. Average=1900.

This question belongs to: Maths Average

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