Question

Raju works twice as fast as Ramu If both of them can together finish a piece of work in 12 days ,in how many days can Ramu alone finish work?​

Answer 1

Answer: Ramu alone can finish the work in 8days.

Step-by-step explanation

Raju works twice as fast as Ramu

Let rate of work by Raju be X

Therefore, rate of work by Ramu is 2x

(example - if Raju finishes the work in 10mins, Ramu finishes the same work in 20mins)

According to question,

    x +  2x   =  12

      3x        =  12

       x         =   12/3

      x          =     4

Therefore, Raju finishes the work in 4days

Ramu finishes the work in 8days

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