Dhruvika invested money for a period from May 2006 to April 2008 at the rate of 12 % per annum. If interest received by her is ₹ 1620, then find the money invested.
Given, I = ₹ 1620 and R = 12 %
Time = From May 2006 to April 2008 = 2 yr
∵I=P×R×T100∴P=I×100R×T=1620×10012×2⇒P=₹6750
Hence, the invested money is ₹ 6750.