Question

Ravi take 6 days to complete a job Shyam takes 12 days to complete the same job if Ram and Shyam work together how many days they will take to complete the job

Answer 1

1/6 + 1/12

= (12 + 6) ÷ 12 × 6

= 18/72

= 1/4

together do work in 4 days

Answer 2

ravi does 1 job in 6days
if ravi takes 1 days to complete the same job 1/6
shyam takes 12 days to complete 1 job
if shyam takes 1 day to complete the same work =1/12

=(1/6+1/12)
=6*12 ÷6+8
=72÷18
=4days
.if they work together then they will complete the same job in 4 days
. .