Practicing Success
Practicing Success
CUET Preparation Today
A and B can do a piece of work in 15 days. B and C together can do it in 9 days. If C is twice as good as a workman as A, find in how many days B alone can do the work? |
30 40 45 60 |
45 |
ATQ, Efficiency : C : A = 2 : 1 = 4 : 2 No, Efficiency ratio: A : B : C = 2 : 1 : 4 Time taken by B = \(\frac{45}{1}\) = 45 days |
