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प्रश्न
Find the S.I. and amount on Rs. 620 for 4 months at 8 p. per rupee per month.
योग
उत्तर
P = Rs. 620, R = 8 p. per rupee per month = 8% p.m..
T = 4 months
∴ S.I. = `("P.R.T")/100 = (620 xx 8 xx 4)/(100)` = Rs. `19840/100` = Rs. 198.40
and amount = P + S.I.
= Rs. 620 + Rs. 198.40 = Rs. 818.40
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