Correct option is B
Given:
A trader buys 37 bulbs for Rs. 37.
19 bulbs break, so he sells the remaining bulbs at Rs. 3.90 each.
Find his total profit.
Formula Used:
Profit = Selling Price – Cost Price
Solution:
Total bulbs purchased = 37
Cost Price = Rs. 37
→ CP per bulb = 1 rupee (but this is not needed since total CP is known)
Bulbs broken = 19
Bulbs sold = 37 - 19 = 18
Selling price of each bulb = 3.90
→ Total SP = 18 × 3.90 = 70.20
Profit = 70.20 - 37 = 33.20
Alternate Solution (Short Trick):
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