A man invested prime 1 5 prime of his total investment at 5 p a prime 1 2 prime of his total investm...........

Quantitative Aptitude (Insurance) Compound Interest

A man invested ′ 1 5 ′ of his total investment at 5% p.a. ′ 1 2 ′ of his total investment at 10% p.a. and remaining at 20%. If he earns total interest of Rs 1200 after 2 years then find the total sum he invested?