Question

A dealer purchased 250 bulbs for Rs10 each. However, 12 bulbs got fused which he had to throw away. He sold the remaining bulbs at Rs 12 each. Find the gain or loss per cent in the dealing.​

Answer 1

CP of 1bulb =Rs10

CP of 250bulbs=Rs2500

Number of defective bulbs 12

remaining bulbs =250−12=238

SP of 1bulb =Rs12

SP of 238bulbs=Rs2856

profit=Total SP-CP=2856−2500=Rs356

profit%=[

CP

loss

​

×100]=

2500

356

​

×100=14.24%

Explanation: