Question

Ramesh works in the field by 10 hours and krishna works for 12 hours.

Find the raito of their working hours.​

Answer 1

Ram takes 20 days to complete a piece of work.

Shyam takes 30 days to complete a piece of work.

Ram completes (1/20) of a piece of work in 1 day.

Shyam completes (1/30) of a piece of work in 1 day.

Together R and S complete (1/20) + (1/30) = (1/12) of a piece of work in 1 day.

(1/12) of a piece of work - 1 day

(12/12) of a piece of work - (12/12)/(1/12) = 12 days.

R and S take 12 days to complete a piece of work when they work together.

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Answer 2

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Ram takes 20 days to complete a piece of work.

Shyam takes 30 days to complete a piece of work.

Ram completes (1/20) of a piece of work in 1 day.

Shyam completes (1/30) of a piece of work in 1 day.

Together R and S complete (1/20) + (1/30) = (1/12) of a piece of work in 1 day.

(1/12) of a piece of work - 1 day

(12/12) of a piece of work - (12/12)/(1/12) = 12 days.

R and S take 12 days to complete a piece of work when they work together.

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