Question

The cost of 10 pens is Rs. 500. 2 pens are sold at Rs. 40 each. At what price should the remaining pens be sold so as to gain 20% on the whole ?

Pls answer this question... it is really urgent

Answer 1

Answer:-

₹504

Step-by-step explanation:-

Let the C.P. of 1 pen =Re.1∴ C.P of 12 pens=Rs. 12×1=Rs.12Hence, given C.P. of 12 pens = S.P of 16 pens∴ S.P of 16 pens=Rs.12∴ C.P of 16 pens=Rs.16∴ Loss=C.P−S.P=16−12=4 Rs.Loss %= C.PLoss ×100= 164 ×100=25%.