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

  • Option 1)

    76 kg

  • Option 2)

    76.5 kg

  • Option 3)

    77.8 kg

  • Option 4)

    77 kg

  • Option 5)

    76.7 kg

Answers (1)

best_answer

Avg. Weight increase = 1.5kg
Total weight increase = 8*1.5 = 12kg
As after replacement increase weight.
So weight of num > weight of man replaced
Weight of new man = 65+12=77kg

Posted by

rishi.raj

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