Partnership - General Aptitude

Q1:

A began a business with Rs. 85,000. He was joined afterwards by B with Rs. 42,500. For how much period does B join, if the profits at the end of the year are divided in the ratio of 3 : 1?

A 4 months

B 5 months

C 6 months

D 8 months

ANS:D - 8 months

Suppose B joined for x months. Then,

Then, 85000 x 12 = 3
42500 x x 1
 x = 85000 x 12 = 8.
42500 x 3
So, B joined for 8 months.