1.A SHOP KEEPER SELLS 10 TOFEES FOR A RUPEE, GAINING
THEREBY 20%. HOW MANY DID HE BUY FOR A RUPEE?
2.IF 2A=3B=4C, THEN A:B:C IS/
3.IF THE SELLING PRICE OF AN ARTICLE IS 4/3 TIMES OF ITS
PRICE,THEN THE PROFIT PERCENTAGE IS/
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Answer Posted / sudha
1) Investing 100 he gets 120.
so, cost price of each tofee = 100*10/120 = >25/3 ps.
so for 100ps he gets (100/25)*3 = 12 tofees.
2)A:B:C => A:2A/3:A/2 => 1:2/3:1/2 => 6:4:3
3)Let CP=x
then SP=4x/3
profit % = (100*4x/3)/x => (100*4x)/3x => 400/3 => 133.33
so, Profit % = 33.33
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