Ramesh deposited 15600 in a fixed deposit at the rate of

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Ramesh deposited 15600 in a fixed deposit at the rate of 10% per annum simple interest. After every second year, he adds his interest earnings to the principal. The interest at the end of fourth year is

According to question ,

SI earned after two years =	15600 × 10 × 2	= ₹ 3120
	100

∴ Principal for next two years = ₹ (15600 + 3120) = ₹ 18720

SI earned at the end of fourth year =	18720 × 10 × 1	= ₹ 1872
	100