Mental Ability MCQs

Average Questions with solutions MCQs

1. The average of 8 number is 38.4 out of these numbers, the average of 7 number is 39.2. what is the 8th number?

A

29.5

B

32.8

C

35.2

D

44.5

Average JKPSI 2022 CBT
Correct Answer : B
Explanation :

32.8

Correct Answered :

Wrong Answered :

2. The average weight of a group of seven boys in 56kg. The individual weights (in kg) of six of them are 52, 57, 55, 60, 59 and 55. Find the weight of the seventh boy.

A

45 Kg

B

54 Kg

C

49 Kg

D

58 Kg

Average JKPSI 2022 CBT
Correct Answer : B
Explanation :

54 Kg    

Correct Answered :

Wrong Answered :

3. The average of 50 numbers in 20. If two numbers 37 and 43 are discarded, find the average of the remaining numbers.

A

19.17

B

15.15

C

21.34

D

26.25

Average JKPSI 2022 CBT
Correct Answer : A
Explanation :

19.17

Correct Answered :

Wrong Answered :

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