Jayanta,Ajit and Kunal started a parnership business investing Rs. 15000. At the end of the year, Jayanta, Ajit and Kunal received Rs. 800, Rs. 1000 and Rs. 1200 respectively as profit share. Calculate the amount of Jayanta's capital that was invested in the business.

Explanation

Ratio of Jayanta, Ajit and Kunal's profit `=800: 1000:1200=4:5:6`
`:.` Ratio of their capitals `=4:5:6`
So the part of Jayanta's capital `=4/(4+5+6)=4/15`
`:.` in Rs. 15000, Jayaanta's capital `=Rs. 15000xx4/5=Rs. 12000`
Hence in the business Jayanta invested Rs. 12000.