NCHMCT JEE 2014 Question Paper with solutions for online practice

Question : 18 of 200

Marks: +1, -0

If 20 men can build a wall 112 metres long in 6 days, what length of a similar wall can be built by 25 men in 3 days?

Solution:

Required length of wall built
=

{112×25×3}/{6×20}

= 70 metres

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