Average of numbers from 25 to 50 is MCQ with Answer and Explanation

Average of numbers from 25 to 50 is

A. 38

B. 36.5

C. 37.5

D. 37

Answer: Option C

(25+50)/2=37.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 9 numbers 175. If average of 6 is 170, average of remaining 3?

A. 188

B. 182

C. 180

D. 185

Correct Answer: Option D

Explanation:
Sum9=1575. Sum6=1020. Remaining=555. Average=185.

This question belongs to: Maths Average

Question #2 Report Error

The average marks of 20 students is 75. If a student with 90 marks leaves, what is the new average?

A. 74.0

B. 75.0

C. 74.21

D. 73.5

Correct Answer: Option C

Explanation:
Sum=20×75=1500. New sum=1500-90=1410. New average=1410/19=74.21.

This question belongs to: Maths Average

Question #3 Report Error

Average of 40 numbers is 45. If numbers are increased by 5 each, new average?

A. 45

B. 48

C. 55

D. 50

Correct Answer: Option D

Explanation:
New average =45+5=50.

This question belongs to: Maths Average