ravi takes 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 ?
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Answered by
20
ravi take = 1/6
shyam take = 1/12
both take = 1/6 + 1/12
= 12/3
shyam take = 1/12
both take = 1/6 + 1/12
= 12/3
tanya6167:
ans by using inverse variation x1/x2=y2/y1
x3/y3
Answered by
33
Ravi takes 6 days to complete
⇒ 1 day = 1/6 of the work
Shyam takes 12 days to complete
⇒ 1 day = 1/12 of the work
Find the amount of work done if both of them worked together:
1 day = 1/6 + 1/12 = 1/4 of work
Find the number of days needed of both of them worked together:
1/4 of the work = 1 day
4/4 of the work = 1 x 4 = 4 days
Answer: They will need 4 days if both of them worked together.
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