Question

A B and C can do a piece of work in 10 days B alone can do it in 40 days and B alone can do it in 13 days in how many days will see alone do the same work

Answer 1

to get this answer we will multiply the number of days B had worked alone and C had worked alone and then we will add 40 + 13 is equal to 53 and then we will multiply with the number ABC had worked together in 10 days then we will Multiply 53 x 10 is equals to 530 show the answer will be 530