# A can do 40% of a work in 12 days, whereas B can do 60% of the same wo

| A can do 40% of a work in 12 days, whereas B can do 60% of the same work in 15 days. Both work together for 10 days. C completes the remaining work alone in 4 days. A, B and C together will complete 28% of the same work in :

A. 2 days

B. days

C. days

D. 3 days

### Right Answer is: A

#### SOLUTION

A can do 40 % of work in = 12 days

A can do 100% of work in = 30 days

B can do 60% of work in = 15 days

B can do 100% of work in =25 days

Let the Total work be = LCM (30, 25)

A’s efficiency

B’s efficiency

Remaining work = 40

Required

days

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A can do 40% of a work in 12 days, whereas B can do 60% of the same wo