Average of 9 numbers 1640. If average of 6 is 1635, average of remaining 3? MCQ with Answer and Explanation

Average of 9 numbers 1640. If average of 6 is 1635, average of remaining 3?
A. 1655
B. 1645
C. 1650
D. 1648
Answer: Option C
Solution (By JKSSB Mock Tests)
Sum9=14760. Sum6=9810. Remaining=4950. Average=1650.

This question belongs to: Maths Average
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Practice More Average Questions

Question #1
The average of 64,72,80 is
A. 68
B. 72
C. 70
D. 75

Correct Answer: Option B


Explanation:
216/3=72.

This question belongs to: Maths Average
Question #2
Average of 15 numbers 2110. If average of 9 is 2105, average of remaining 6?
A. 2115
B. 2120
C. 2117.5
D. 2118

Correct Answer: Option C


Explanation:
Sum15=31650. Sum9=18945. Remaining=12705. Average=2117.5.

This question belongs to: Maths Average
Question #3
If average of 5 consecutive multiples of 4 is 32, what is the largest?
A. 36
B. 48
C. 40
D. 44

Correct Answer: Option C


Explanation:
Numbers 20,24,28,32,36 avg 28 no. 24,28,32,36,40 avg 32. Largest 40.

This question belongs to: Maths Average