A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is = ?
A. 20 days
B. 21 days
C. 22 days
D. 24 days
Answer: Option D
Solution(By Examveda Team)
$$\eqalign{ & {\text{B}}:{\text{A}} \cr & \,1:2 \to {\text{Efficiency ratio}} \cr & {\text{Total work}} = 16 \times \left( {1 + 2} \right) = 48 \cr} $$Number of days taken by A to complete the work
$$\eqalign{ & = \frac{{48}}{2} \cr & = 24{\text{ days}} \cr} $$
Related Questions on Time and Work
A. 18 days
B. 24 days
C. 30 days
D. 40 days
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