Practice Test Discussion

Q)

The average weight of 10 horseman in a boat is increased by 1.5 kg. when one of the crew, who weighs 68 kg is replaced by a new man. Find the weight of the new man?


  • Explanation

    Given,

    The average weight of 10 horseman in a boat is increased by 1.5 kg

    = 10×1.5= 15

     when one of the crew, who weighs 68 kg is replaced by a new man

    ∴ The weight of the new man= (Average weight of 10 horseman +weighs 68 kg is replaced by a new man)

    = 15+68= 83 kg

    Hence, Option C is correct.

    For more Short tricks and formulae click 

    Average

    - Share with your friends! -

    Login to post your comment here...

    Comments