The average weight of 8 men is increased

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Average

Question:

The average weight of 8 men is increased by 1.5 kg when one of the men who weighs 65kg is replaced by a new man. The weight of the new man is:

Options:

71 kg

87 kg

81 kg

77 kg

Correct Answer:

77 kg

Explanation:

Weight of new man = Weight of old man + Increment in age

Weight of new man = 65 + 8 × 1.5 = 77 kg