Question

ratio of daily work of A and B is 4: 3. If A can do the work in 12days, then find the number days required by B to do he work.

Answer 1

Step-by-step explanation:

given that ,the ratio of A and B =4:3

=A/B =4/3

A= 4 units = 12 days 1 units = 12/4 = 3 days

so A/B = 4/3.3

B =. 9 days

L C M of 12,9 = 36 units

36 units A = 36/12 =3 days

B = 36/9 = 4 days

then A+B = 3+4 = 7

total units = 36 /7 = 5.1 days ans

Answer 2

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