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प्रश्न
By selling a flower pot for ₹ 528, a woman gains 20%. At what price should she sell it to gain 25%?
विकल्प
₹ 500
₹ 550
₹ 553
₹ 573
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उत्तर
₹ 550
Explanation;
Hint:
If selling price (S.P) = ₹ 528
Gain % = 20%
∴ C.P = ?
Selling price (S.P) = `"C.P" xx ((100 + "gain"%)/100)`
∴ 528 = `"C.P" xx (100 + 20)/100`
∴ C.P = `(528 xx 100)/120` = 440
If gain % = 25%, Selling price = ?
Selling price (S.P) = `"C.P" xx ((100 + "gain"%)/100)`
= `440 xx ((100 + 25))/100`
= `440 xx 125/100`
= ₹ 550
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