If average of x and y is 25 and average of y and z is 35, average of x,y,z? MCQ with Answer and Explanation

Question 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. 30

C. 28.33

D. 32

Answer: Option C

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Average Questions

Question #1 Report Error

If average of 20 numbers is 30 and 10 numbers average 25, average of remaining 10?

A. 35

B. 32.5

C. 30

D. 40

View Answer & Solution Discuss

Correct Answer: Option A

Explanation:
Sum20=600. Sum10=250. Remaining=350. Average=35.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 numbers 85. If average of 5 is 80, average of remaining 3?

A. 95

B. 92

C. 93.33

D. 90

View Answer & Solution Discuss

Correct Answer: Option C

Explanation:
Sum8=680. Sum5=400. Remaining=280. Average≈93.33.

This question belongs to: Maths Average

Question #3 Report Error

Average of 12 numbers 1670. If average of 8 is 1665, average of remaining 4?

A. 1675

B. 1678

C. 1682

D. 1680

View Answer & Solution Discuss

Correct Answer: Option D

Explanation:
Sum12=20040. Sum8=13320. Remaining=6720. Average=1680.

This question belongs to: Maths Average

Explore All Average MCQs