If Rs 4,000 amounts to Rs. 5,200 at simple interest in 3 years, the ra

1.	If Rs 4,000 amounts to Rs. 5,200 at simple interest in 3 years, the rate of interest is ____% p.a.
Answer» <P>p = 4000 a = 5200 so, (prt/100) + p = a (4000r3/100) + 4000 = 5200 120r + 4000 = 5200 120r = 1200 r = 1200/120 r = 10per please MARK me brainliest. and FOLLOW mr

If Rs 4,000 amounts to Rs. 5,200 at simple interest in 3 years, the rate of interest is ____% p.a.

Answer»

<P>p = 4000

a = 5200

so, (prt/100) + p = a

(4000*r*3/100) + 4000 = 5200

120r + 4000 = 5200

120r = 1200

r = 1200/120

r = 10per

please MARK me brainliest.

and FOLLOW mr

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If Rs 4,000 amounts to Rs. 5,200 at simple interest in 3 years, the rate of interest is ____% p.a.​

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If Rs 4,000 amounts to Rs. 5,200 at simple interest in 3 years, the rate of interest is ____% p.a.