A and B invest Rs`(a+b)^2` and `Rs (a^2+b^2)` in a business. After 1 year there is a profit of Rs 2ab. Find A's profit.

At the starting of the year two friends Bhaskar and Indrajit starts a joint business with capital Rs. 20,000 and Rs, 25,000. After some months Bhaskar invests Rs. 10,000 more in the business. At the end of the year they make a profit of Rs. 3100 and Bhaskar gets Rs. 1600 as profit. After how many months of startind the business Bhasker invests the capital of Rs. 10,000?

In a partnership business, A invested Rs. 1200 on 1st January, B invested Rs. 1500 on 1st April, C invested Rs. 1800 on 1st July and D invested Rs. 2100 on 1st October. If the end of a year, the total profit be Rs. 900, then find the profit of D.

A,B and C invested Rs. 5000, Rs. 6000 and Rs. 4000 respectively in a business. A has taken 30% of the profit so as to manage the business and the rest of the profit is distributed among them in accordance with the of their capital. If after 1 year A has go Rs. 200 more than the aggregate of the profits of B and C, then the profits of each of them the total amount of profit.

Two partners A and B invested Rs. 12500 amd Rs. 8500 respectively in a business. They come to a contract such that 40% of the profit will be distributed equally among them and the rest o the profit will be distributed according to the ratio of their capitals. If A gets the profit Rs. 1950 then what will be the profit of B?

A ,B and C jointly invested Rs. 10000 in a business. If after 1 year , A,B and C gets Rs. 200, Rs. 300 and Rs. 500 respectively as the profit, then find the capitals of each of them.

Three friends, collecting Rs. 8000, Rs. 10000 and Rs. 12000 respectively and taking a loan from the bajk, started a business. At the end of the year, their profit is Rs. 13400. From that profit, they repaid the bank instalment of Rs. 5000 and then the rest of the profit was distributin amongst themselves according to the ratio of their capitals. Find the amount of profit of each of them.

Amal invested Rs. 35000 in a business, After 6 months Bimal joined the business with capital Rs. 60000. If the profit after 1 year be Rs. 26000, then find the difference of the profit of Amal and Bimal.

In a business, A invested Rs. 4000 for 8 months and Rs. 6000 for 4 months, B invested Rs. 3000 for 6 months and Rs. 5000 for 6 months. Also C invested Rs 3000 for 12 months in the same business. If at the end of the year the profit be Rs. 700, then find the profit of each of them.

At the beginning of the year, Paradipbabu and Pramiladebi started jointly a business investing Rs. 24000 and Rs. 30000 respectively. After 5 months, Pradipbabu invested Rs. 4000 more in the business. If after the end of the year, the profit of the business be Rs. 27716 then find the amount of profit got by each of them.

A and B invest in a business in the ratio 3 : 2. Assume that 5% of the total profit goes to charity. If A's share is ₨ 855. What is the total profit?