NCHMCT JEE 2019 Question Paper with solutions for online practice

Question : 1 of 200

Marks: +1, -0

Mayank can do a piece of work in 3 days. Sanjay can do the same work in 4 days. The wage for full work is ₹ 350. If both work together to complete the work, then find out the earning of Sanjay if the wages are paid in proportion to work done.

₹ 160
₹ 180
₹ 140
₹ 150

Validate

Solution:

Required proportion of work done of Mayank and Sanjay

=1/3:1/4=4:3

∴ Sanjay earning

=350×3/(4+3)

=350×3/7=₹150

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