Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 1240. If average of 6 is 1235, average of remaining 3?

A. 1248

B. 1245

C. 1255

D. 1250

Answer: Option D

Solution (By JKExamLibrary)

Sum9=11160. Sum6=7410. Remaining=3750. Average=1250.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1 Report Error

If average of x and y is 25 and average of y and z is 35, average of x,y,z?

A. 27

B. 28.33

C. 32

D. 30

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Correct Answer: Option B

Explanation:
x+y=50. y+z=70. Sum x+y+z=120 - y. Need y. Not direct. Use different.

This question belongs to: Maths Average

Question #2 Report Error

Average of 5 consecutive even numbers is 26. What is the smallest number?

A. 24

B. 18

C. 20

D. 22

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Correct Answer: Option D

Explanation:
Let numbers be x, x+2, x+4, x+6, x+8. Average = x + 4 = 26. x = 22.

This question belongs to: Maths Average

Question #3 Report Error

Average of 10 numbers 2130. If average of 6 is 2125, average of remaining 4?

A. 2140

B. 2137.5

C. 2136

D. 2135

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Correct Answer: Option B

Explanation:
Sum10=21300. Sum6=12750. Remaining=8550. Average=2137.5.

This question belongs to: Maths Average

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