Question

a shopkeeper bought 650 bulbs at Rs.10 each. If 50 bulbs were found to be defective, then find the rate at which he should sell the remaining bulbs so as to gain 15% on the whole transaction.

Answer 1

No. of bulbs =200, Cost of each bulb =10

Total C.P=200×10=2000

5 of them were discarded so only (200−5)=195 were sold, at a rate of 12 per each bulb.

Total S.P=195×12=2340

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