Niki,Nisha and Anu formed a partnership with investments of ₹ $75,000$,₹ $60,000$ and ₹ $40,000$ respectively. After $3$ years of operation,the partnership earned a net profit of ₹ $26,250$. What was the share of Anu in the profit (in ₹)?

$P, Q$ and $R$ invested their capital in the ratio of $8:6:5$. At the end of the business,they received the profit in the ratio of $1:3:5$. Find the ratio of time for which they contributed their capital.

$A$,$B$,and $C$ rented a pasture. $A$ puts in $12$ oxen for $6 \text{ months}$,$B$ puts in $8$ oxen for $7 \text{ months}$,and $C$ puts in $6$ oxen for $8 \text{ months}$. If the total rent of the field is ₹ $396$,what amount (in ₹) of rent was paid by $A$?

$A$ and $B$ started a business in partnership investing ₹ $20000$ and ₹ $15000$ respectively. After six months,$C$ joined them with ₹ $20000$. What will be $B$'s share in the total profit of ₹ $25000$ earned at the end of $2$ years from the starting of the business? (In ₹)

Aditya and Manish continued in a joint business for $36$ months. Aditya contributed $Rs. 300$ for a certain time and Manish invested $Rs. 500$ for the remaining time. If out of a total profit of $Rs. 1020$,Aditya gets $Rs. 495$,then for how long (in months) did Aditya keep his money?

Ram and Anil enter into a partnership for a year. Ram invests $Rs. 1200$ and Anil invests $Rs. 1500$. After $3$ months,Aditya enters with a contribution of $Rs. 900$. If Anil withdraws his money after $6$ months,what will be the share of Aditya (in $Rs.$) if the total profit is $Rs. 2450$?