##### Amitabh Singh

#### Partnership

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**Question**

18-10-16

**Answer**

**A and B started a business in partnership. A invest 1/5 of the whole investment for 9 months .B got profit of 4/5. For how many months B invested his money**

**Concept**

Let Total investment be X

A investment =X/5 , B invest will be = X-(X/5) = 4X/5

B profit = 4/5 , A profit will be 1-(4/5) =1/5

Solution:

NOW Investment ratio = profit ratio

(X/5) *9 /(4X/5)*y =(1/5)/(4/5)

9/4y=1/4

Y=9