Question

A person purchased 10 dozen pens at the rate of ₹4 per dozen.On checking he found that 20 pens were not working In order to earn 25% profit he should sell the remaining pens each at​

Answer 1

Total C.P. of (10 × 12) i.e.,

120 pens = Rs. (4 × 10) = Rs. 40

Number of working pens

= (120 - 20) = 100

Total selling price of 100 pens

=Rs.(125100×40)=Rs. 50.