Question

If carpenters X, Y and Z were to make a table together, how many days would they take?

• A. 4 days
• B. 3 days
• C. 1 day
• D. 2 days
• E. 5 days

Answer 1

The correct option is C 1 day

Number of days taken to make a table
by carpenter X = 6 days
by carpenter Y = 2 days
by carpenter Z = 3 days
$\therefore$ Required number of days $=\frac{1}{\frac{1}{6}+\frac{1}{2}+\frac{1}{3}}$
$=\frac{6}{1+3+2}=\frac{6}{6}$ = 1 day