29. A started a business with Rs.21,000 and is
joined afterwards by B with Rs.36,000. After how many months did B join if the
profits at the end of the year are divided equally?
A. 3 B. 4
C. 5 D. 6
Answer:
Suppose
B joined after x months.
Then, 21000×12=36000×(12 - x)
‹=›36x=180
=
x= 5.
