Average of 8 numbers 1650. If average of 5 is 1645, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 1650. If average of 5 is 1645, average of remaining 3?

A. 1657

B. 1660

C. 1655

D. 1658.33

Answer: Option D

Solution (By JKExamLibrary)

Sum8=13200. Sum5=8225. Remaining=4975. Average≈1658.33.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 15 numbers 150. If average of 9 is 145, average of remaining 6?

A. 158

B. 160

C. 157.5

D. 155

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Correct Answer: Option C

Explanation:
Sum15=2250. Sum9=1305. Remaining=945. Average=157.5.

This question belongs to: Maths Average

Question #2 Report Error

The average of 5 numbers is 18. If one number is 25 and another is 15, find the average of the remaining 3 numbers.

A. 18

B. 16

C. 16.67

D. 17

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Correct Answer: Option C

Explanation:
Sum=5×18=90. Sum of two=25+15=40. Sum of three=50. Average=50/3=16.67.

This question belongs to: Maths Average

Question #3 Report Error

Average of 405,540,675 is

A. 530

B. 535

C. 540

D. 550

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Correct Answer: Option C

Explanation:
1620/3=540.

This question belongs to: Maths Average

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