PROFIT AND LOSS:
Q 1: Raju bought a buffalo for rs. 10000 and a cow for rs. 7500. He sold the buffalo at a loss of 12% and the cow at a gain of 20%. Find his total gain or loss percent.
Q 2: By selling a watch for rs. 900, a man gains 20%. Find the C.P and Gain of the watch.
Q 3: A dealer loses 20%, if he sells an article for rs. 45. At what price should we sell the article, if he wants to gain 20%.
Q 4: By selling a book for rs. 132 a man gains 20%. What is the C.P of the book?

plzzzz help me answer these questions..... its very urgent frndz i have to submit it tomorrow itself please help me :(

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Answers

2015-01-18T20:13:39+05:30

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Loss on buffalo = 10, 000 * 12/100 = 1,200
Gain on Cow = 7, 500 * 20/100 = 1, 500
Gain total = 1, 500 - 1,200 = 300
total gain % = 300 / (10,000+7,500) * 100 =     300/175 %

SP = CP * (100 + gain%) /100 , 
CP = 900 * 100 / 120
Gain = SP - CP

SP = (100 - loss%) * CP  / 100
CP = 45 *100/80
new SP = CP ( 100 + profit%) / 100 , profit % = 20%
calculate

CP = 132 * 100 / 120 = ...

1 5 1
i know but ........
plzz :-(
plz help me
people help here for serious users.. but you are drawing others to the limit.. you dont even thank for the answer. click on thank you link
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