What equal instalment of annual payment will discharge a

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What equal instalment of annual payment will discharge a debt which is due as 848 at the end of 4 years at 4% per annum simple interest ?

Let each instalment be p. Then,
According to question ,

p +

p × 4 × 1

p +

p × 4 × 2

p +

p × 4 × 3

+ p = 848

100

⇒

x +

p +

+ p = 848

⇒	26p	+	27p	+	28p	+ p = 848
	25		25		25

⇒	26p + 27p + 28p + 25p	= 848
	25

⇒ 106p = 848 × 25

⇒ p =	848 × 25	= ₹ 200
	106

Second method to solve this question :
Here, A = ₹ 848, T = 4 years, r = 4%

Equal instalment =	848 × 200
	4[200 + (4 - 1) 4]

Equal instalment =	848 × 200	= ₹ 200
	4 × 212