Question

10. 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?​

Answer 1

Answer:

Hey mate

your answer is as follows

Step-by-step explanation:

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Main points

Ravi takes 6 days to complete a work.

Shyam takes 12 days to complete a work

Answer = The equation for Ravi =1/6

The equation for Shyam is 1/12.

Ravi + Shyam = 1/6+1/12

= 2+1/12 = 3/12 = 1/4

= 4 days Answer

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Answer 2

Step-by-step explanation:

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Part of work done by Ravi in 1 day = $\frac{1}{6}$

Part of work done by Shyam in 1 day = $\frac{1}{12}$

∴ Part of work done by Ravi and Shyam together

$= [\frac{1}{6} + \frac{1}{12} ] \\ = [\frac{2 + 1}{12}] \\ = \frac{3}{12} \\ = \frac{1}{4}$

∴ Total time taken by both Ravi and Shyam together to complete the whole work

$=[ 1 \div \frac{1}{4}] days \\ = [1 \times 4 ] days \\ = 4 \: days$

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