RRB Group D Model Paper 5 with solutions

Question : 37 of 100

Marks: +1, -0

Two friends Ram and Shyam can do a piece of work in 35 days and 50 days, respectively. In how many days will they complete the work together?

Solution:

(1) Ram’s one-day work = 1/35
Shyam’s one-day work = 1/50
Ram’s and Shyam’s one-day work
=

1/35+1/50=17/350

Therefore, A and B together can complete the work in

350/ 17

days = 20

10/17

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