Question

Ahmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is​

Answer 1

Answer:

This is quite simple mathematical problem.

Here, A is twice faster than B. It means if B does a work in 2 days, A will do the same work in half of B or 1/2 x 2 days or in 1 day.

By question,

B can do a work in 30 days

So, A will do this work in just half of B or 30/2 days

= 15 days

Now, if both A and B will work together the they will finish the work in

1 / 30 + 1 / 15 days = 1 +2 /30

= 3/30 days = 1/10 = 10 days.

Answer 2

Answer:

nooop.............Adam....