Question

Question 8:
A and B can finish a piece
of work is 12 days is a
alone can finish same
work in 20 days then B
alone can finish in
number of days
A) 10
B)40
C) 30
D) 15
plz give correct answer and if you no only keep​

Answer 1

Answer:

In 12- days A- can complete= 12/20= 3/5- part of the work.

So in 12- days B- can complete (1–3/5) = 2/5- part of the work.

So complete work can be done by B- alone in 12÷ (2/5)= 12 x5/2= 30- days.

Step-by-step explanation:

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