$A$ started a business with ₹ $3500$ and after $5$ months,$B$ joined $A$ as his partner. After a year,the profit was divided in the ratio $2:3$. What was $B$'s contribution to the capital (in ₹)?

How should a profit of ₹ $450$ be divided between two partners,one of whom has contributed ₹ $1200$ for $5$ months and the other ₹ $750$ for $4$ months?

Ravi and Kavi start a business by investing $Rs. 8000$ and $Rs. 72000$,respectively. Find the ratio of their profits at the end of the year. (in $:9$)

$A$ and $B$ are partners in a business. $A$ contributes $\frac{1}{4}$ of the capital for $15$ months and $B$ received $\frac{2}{3}$ of the profit. For how long was $B$'s money used (in months)?

Srikant and Vividh started a business investing amounts of $Rs. 185000$ and $Rs. 225000$,respectively. If Vividh's share in the profit earned by them is $Rs. 9000$,what is the total profit (in $Rs.$) earned by them together?

$A, B$ and $C$ invest to start a restaurant. The total investment was ₹ $3,00,000$. $B$ invested ₹ $50,000$ more than $A$ and $C$ invested ₹ $25,000$ less than $B$. If the profit at the end of the year was ₹ $14,400$,then what is $C$'s share of the profit (in ₹)?