Latest Syntel Aptitude Question SOLUTION: Kumar, a book store owner sells 10 pens at a profit of 12% .If he had sold it at a loss of 12% then he would have got Rs.60/- less. At what price did Kumar buy the pens for?

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Kumar, a book store owner sells 10 pens at a profit of 12% .If he had sold it at a loss of 12% then he would have
got Rs.60/- less. At what price did Kumar buy the pens for?

Asked In Syntel (12 years ago)

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Dr.Dipin Singh  (12 years ago)

If CP is x, then profit in first case = 0.12x and loss in 2nd case = 0.12x

Diff in amount recd in two cases = 0.24x
As per given condition
0.24x = 60
x= 60*100/24 = Rs 250.

so he bought 10 pens for Rs 250 @ Rs 25 per pen.

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Sanjana Patnaik  (12 years ago)

CP of each pen Rs.37.5 and for ten pens Rs.375
Let the cost of each pen be Rs.x
Then SP at 12% profit 112x/100
And for 10 pens the SP is 112x/10
Now SP of each pen at 12% loss: 88x/100
SP for ten pens :88x/100
Now the equation is : (112x/100)-(88x/100)
Solving x= Rs.37.50

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