Average of 12, 18, 24 is MCQ with Answer and Explanation

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Average of 12, 18, 24 is

A. 22

B. 18

C. 20

D. 16

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum=54. Average=18.

This question belongs to: Maths Average

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Question #1

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The average of 300,400,500 is

A. 400

B. 410

C. 390

D. 395

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Correct Answer: Option A

Explanation:
1200/3=400.

This question belongs to: Maths Average

Question #2

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Average of 25 numbers 80. If average of 10 is 85, average of remaining 15?

A. 78

B. 76.67

C. 75

D. 77

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Correct Answer: Option B

Explanation:
Total=2000. Sum10=850. Remaining=1150/15≈76.67.

This question belongs to: Maths Average

Question #3

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Average of 9 numbers 1090. If average of 6 is 1085, average of remaining 3?

A. 1105

B. 1095

C. 1100

D. 1098

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Correct Answer: Option C

Explanation:
Sum9=9810. Sum6=6510. Remaining=3300. Average=1100.

This question belongs to: Maths Average

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