Hanuman sells a pen at a profit of 25%. if he had bought it 20% less and sold it for Rs 10.50 less, he would have gained 30%. Find the cost price of the pen.
none of the above
Let the C.P be Rs x
1st S.P=125% of x =125x/100=5x/4; 2nd S.P=80% of x=80x/100=4x/5
2nd S.P=130% of 4x/5= (130/100*4x/5) =26x/25
=> x= (10.50*100)/21=50
Hence C.P= Rs.50
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