Question

A can do a piece of work in 9 days, B is 50% more efficient than A . In how many days the same piece of work can be done if they work together.

1-3.6 days
2-3 days
3-5/18 days
4-None​

Answer 1

Answer:

3-5/18 days

pls mark me as brainleast

Answer 2

Answer:

a can do that work in 9 days

In 1 day work done by a = 1/9

then b can do that work in 6to 7 days

In 1 day work done by b = 1/6

if both work then work done in one day =1/9 + 1/6

=6/18 = 1/3

so 9 work will be done in

3 days answer