The average of 3 numbers is 40. If one number is 30% more than average of other two, find the numbers? But simple: assume values. MCQ with Answer and Explanation

The average of 3 numbers is 40. If one number is 30% more than average of other two, find the numbers? But simple: assume values.

A. 35,40,45

B. 36,40,44

C. 25,40,55

D. 30,40,50

Answer: Option D

Sum=120. Check 30% more.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 12 numbers 920. If average of 8 is 915, average of remaining 4?

A. 930

B. 928

C. 925

D. 932

Correct Answer: Option A

Explanation:
Sum12=11040. Sum8=7320. Remaining=3720. Average=930.

This question belongs to: Maths Average

Question #2 Report Error

If average of a and b is 10, b and c is 15, c and a is 20, average of a,b,c is

A. 15

B. 16

C. 14

D. 13

Correct Answer: Option A

Explanation:
Adding all: 2(a+b+c)=90, a+b+c=45. Average=15.

This question belongs to: Maths Average

Question #3 Report Error

The average of 7 consecutive numbers is 33. What is the sum of the numbers?

A. 240

B. 210

C. 231

D. 220

Correct Answer: Option C

Explanation:
Sum = average × numbers = 33 × 7 = 231.

This question belongs to: Maths Average