Question

Ram can we finish a work in 6 days and Rashmi can we finish the same work in 12 days find the number of days required by Ram and Rashmi to finish the work if they work together

Answer 1

Answer:

Step-by-step explanation:

1/60+1/40 = 40+60/2400= 100/2400= 1/24 and 24 is the right answer

Answer 2

A and B together take 8 days [ Here ‘A’ and ‘B’ refers to the work done by ‘A’ and ‘B’] .

A takes 12 days .

So,

Let the work done by A ( in 1 day ) be one -twelfth(1/12) of the work done ..

so,

in 8 days =



= 8/12

So.. now we can say that A has done 1/8 of the work ..and B has done 1/B of the work .

1/A + 1/B = 1/12 [Here B refers to number days taken by B to do the work ]

1/8+ 1/B = 1/12

1/B = 1/24

[ We equate the denominators as the numerators are equal ]

No of days B takes to complete the work = 24 days ..

THIS IS THE SAMPLE QUESTION.


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