Question

Q3 A is thrice as efficient as B and is, therefore, able to finish a piece of work 10 days earlier than B. In how many days A and B will finish it together? Q4 A and B can do a work in 12 Days, B and C can
do the same work in 12 Days, A, B and C together can Finish it in 6 days. A and C together will do it in how many days?​

Answer 1

Answer:

3 days

Explanation:

I don't know the explanation