Question

A can do 1/3 of a work in 5 days and B can do 2/5 of work in 10 days. In how many days both A and B can do the work?​

Answer 1

Ans ==75/8

Step-by-step explanation:

1/3a--5

a--5×3=15

2/5b--10

b--10×5/2=25

then lcm of a&b

a--15

b--25

lac is 75

a is 5 ànd b is 3

then total work of a&b is 75/(3+5)

then ans is 75/8