A) \( \Large \frac{1}{4} \) |
B) \( \Large \frac{3}{4} \) |
C) \( \Large \frac{3}{20} \) |
D) \( \Large \frac{4}{3} \) |
A) \( \Large \frac{1}{4} \) |
Work done by A and B for 5 days =
= \( \Large 5 \left(\frac{1}{10}+\frac{1}{20}\right) \)
= \( \Large 5 \left(\frac{3}{20}\right) = \frac{3}{4} \)
Therefore, left work = \( \Large 1 - \frac{3}{4} = \frac{1}{4}\)