Question: Chiru can do a work in 6 days and Pawan alone in 9 days. Chiru and Pawan undertook to do it for Rs.4500. With help of Nagababu, they completed the work in 3 days. How much is to be paid to Chiru and Nagababu?

Posted by: Surajit P. on 01.06.2022

Https://youtu.be/35doeuOvXRw

No .of days Chiru needs to  complete  the work  = 6 days

Work done by Chiru in one day =  1/6

No. of days Pawan needs to do the same work   =  9 days

Work done by Pawan in one day        = 1/9

No. of days needed to complete work with the help of Nagababu =  3 days

Therefore work done by all the three men in one day  = 1/3

Hence work done by Nagababu in one day =  1/3 - (1/6 +1/9)=

1/3 - 1/6  - 1/9 = 1/18.

Therefore ratio of work done per day by Chiru,Pawan &Nagababu =

(1/6 ): (1/9 ) :( 1/18 )=  3:2:1

The total amount of Rs 4500 should be distributed in the ratio of work done by them.

Therefore Chiru gets =  (3/6)*4500 =  Rs 2250

Nagababu gets =   (1/6) *4500 =         Rs   750

Proportion

This question need understanding of proportion.

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