A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?1). 92). 123). 144). 15

A can paint a house in 42 days and B can do it in 21 days. Along with

1.	A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?1). 92). 123). 144). 15
Answer» RIGHT ANSWER for this QUESTION is 12