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profit,loss and discount

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nirali.shah95




PostSubject: profit,loss and discount Fri Aug 15, 2008 12:49 am

hey guys i have problems with the following questions please help me out with them.

1.the cost price of an article i 4/5 times of its selling price . find the loss or gain as percent.

2. the cost price of an article is 30% les than its selling price . findthe profit or the loss as percent.

3. Rajesh sold his scooter to Rahim at 8% loss. and Rahim in turn sold the same scooter to Prem at 5% gain. if Prem paid Rs.14490 for the scooter find the SP and CP of the scooter for Rahim. and the SP and the CP of the scooter for Rajesh.

4. CP = Rs 576 overheads Rs 44 and Loss = 16% FInd the SP
5. If John sells is bicycle for Rs 637 he will suffer a loss f 9 % for how much sould it be sold if he desires a profit of 5 %.

Thank you.

N.
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Nishant




PostSubject: Re: profit,loss and discount Sun Oct 19, 2008 12:19 am

1.Let the C.P be Rs xS.P=Rs 4/5x
Since C.P>S.P,
therefore loss
Loss=C.P-S.P=x - 4/5x= Rs x/5
Loss%=Loss/C.P * 100=x/5/x*100=20%
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Mohit Chaudhary




PostSubject: Re: profit,loss and discount Thu Jan 21, 2010 11:57 pm

Solution 5:
Let the CP for John be Rs. 100.
Loss%=(loss*100)/CP.
=>Loss=(9*100)/100.
=>Loss=Rs. 9.
Now,
SP = CP-loss
=>SP = 100-9
=>SP=Rs. 91.
Now,
when SP is Rs. 91 CP = 100 Rs.
when SP is Re. 1 CP = 100/91 Rs.
when SP is Rs. 637 CP = 100/91*637 Rs.
=> CP = Rs. 100*7 [637/91 = 7].
=> CP = Rs. 700.
Gain = Gain%*CP.
=> Gain = 5/100*700.
=> Gain = 5*7 [700/100 = 7].
=> Gain = Rs. 35.
Therefore in order to obtain a gain of 5% John has to sell his bicycle for Rs. (700+35).
=> SP = Rs. 735. ANSWER
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