A man who makes a profit of 25% by selling sugar at Rs. 4.25/kg., lowers his price so as to gain only 17 paise per kg., In what ratio must his sales be increased so that his total profit may be the same as before?
Explanation:
Let CP of sugar be Rs. x/kg.
Then, 4.25-xx = 0.25
⇒ 4.25 - x = 0.25x
⇒ 1.25x = 4.25
∴ x = 3.4
Old profit = 4.25 – 3.4 = 0.85
New Profit = 0.17
Hence, 0.85 : 0.17 :: old sales : new sales.
⇒ Hence, old salesnew sales=15
Hence, option (b).
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