If the average of 6 numbers is 18 and average of 4 is 20, average of remaining 2 is MCQ with Answer and Explanation

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If the average of 6 numbers is 18 and average of 4 is 20, average of remaining 2 is

A. 12

B. 15

C. 14

D. 16

Answer: Option C

Solution (By JKExamLibrary)

Sum6=108. Sum4=80. Remaining sum=28. Average=14.

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. 32

B. 28.33

C. 27

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 5,10,15,20,25,30,35,40 is

A. 23

B. 25

C. 20

D. 22.5

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Correct Answer: Option D

Explanation:
180/8=22.5.

This question belongs to: Maths Average

Question #3 Report Error

Average of 20,40,60,80,100,120 is

A. 70

B. 80

C. 60

D. 75

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Correct Answer: Option A

Explanation:
420/6=70.

This question belongs to: Maths Average

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