?
A is twice as good a workman as B and together they finish a piece of work in 22 days. In how many days will A alone finish the same work?
Answer & Solution
Correct Answer:
Option
D
\[\begin{array}{*{20}{c}}
{}&A&B \\
{{\text{Efficiency}}}&2&1
\end{array}\]
$$\eqalign{ & {\text{Total work}} = 3 \times 22 = 66 \cr & A \to \frac{{66}}{2} = 33{\text{ days}} \cr} $$
$$\eqalign{ & {\text{Total work}} = 3 \times 22 = 66 \cr & A \to \frac{{66}}{2} = 33{\text{ days}} \cr} $$
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