Question : A can-do
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution :
A can-do
⇒ A can finish complete work in 100 days.
B can complete 30% of the work in 36 days
⇒ B can finish complete work in 120 days.
C can complete 80% of the work in 160 days
⇒ C can finish the complete work in 200 days.
B and C together started and worked for x days
⇒ efficiency of B and C =
=
In x days, work done by B and C =
A and C together worked for (x - 41) days
⇒ Efficiencies of A and C =
In (x – 41) days, work done by A and C =
According to the question
⇒
Now,
The same work be completed by C alone in 2x days
= 2 × 57 ×
=
Hence, the correct answer is
