Question

11. A can do a piece of work in 10 days and B can do it in 15 days. How long will
they take if they work together?
(a) 7 days
(b) 6 days (c) 8 days (d) 5 days
RAZ
and​

Answer 1

Answer:

Correct option is

D

6 days

Work done by A in 1 day =

$\frac{1}{10} </p><p></p><p>$

Work done by B in 1 day=

$\frac{1}{15}$

Work done by A and B in 1 day=

$\frac{1}{10} + \frac{1}{15}$

$= \frac{5}{30} = 6days$

Working together they will complete the work in

=6 days

Step-by-step explanation:

MARK AS BRAINIEST