The simple interest on ₹4,000 in 3 years at the rate

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The simple interest on ₹4,000 in 3 years at the rate of y% per annum equals the simple interest on ₹5,000 at the rate of 12% per annum in 2 years. The value of y is

We can find the required answer with the help of given formula ,

SI =	Principal × Time × Rate
	100

∴	4000 × 3 × y	=	5000 × 2 × 12
	100		100

⇒ y =	5 × 2 × 12
	4 × 3

y = 10% per annum