Time and work

Algebra Level 1

Amit completes 1/7 part of his job in 6 days.How many days does he take to complete the whole job.

35 Days 27 Days 36 Days 42 Days

Anuj Shikarkhane by Anuj Shikarkhane , 19, India

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5 solutions

Anuj Shikarkhane
Jul 27, 2014

If 1/7 part of job is complete, then 6/7 part of job is remaining.

If 1/7 part is done in 6 days, so 6/7 part of job will be completed in 36 days by cross multiplying.

Now add 6 to 36.Therefore, the answer will be 42 days.

1 Helpful 0 Interesting 0 Brilliant 0 Confused

6 6 x 7 7 = 42 d a y s 42\ days

0 Helpful 0 Interesting 0 Brilliant 0 Confused

6/(1/7)=42 that's all

0 Helpful 0 Interesting 0 Brilliant 0 Confused

This was really easy.

1/7 of the job is done in 6 days.

So, 1 (or the whole job) is done in 6X7=42 days.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

w=1/x + 1/y ; 1/7=1/x + 1/6 then solve for x therefore, 42 days...

0 Helpful 0 Interesting 0 Brilliant 0 Confused

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