Average of 18,36,54,72 is MCQ with Answer and Explanation

Average of 18,36,54,72 is

A. 50

B. 45

C. 40

D. 42

Answer: Option B

180/4=45.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 7 numbers 110. If average of 4 is 105, average of remaining 3?

A. 117.67

B. 115

C. 118

D. 120

Correct Answer: Option A

Explanation:
Sum7=770. Sum4=420. Remaining=350. Average≈116.67 approx 117.

This question belongs to: Maths Average

Question #2 Report Error

Average of 25 numbers is 36. If one number 48 is replaced by 24, new average?

A. 34

B. 35

C. 36

D. 35.04

Correct Answer: Option D

Explanation:
Change -24, decrease 0.96, new≈35.04.

This question belongs to: Maths Average

Question #3 Report Error

The average of 270,360,450 is

A. 360

B. 350

C. 370

D. 355

Correct Answer: Option A

Explanation:
1080/3=360.

This question belongs to: Maths Average