Question

a shopkeeper purchased 200 bulbs at rs 16 each . but 20 bulbs were fused and had been thrown away . the remaining bulbs were sold at rs 20 each . find the gain

Answer 1

Total cp = 200×16=3200
left bulbs = 200-20 =180
Total sp = 180×20 = 3600
GAIN = 3600-3200 = 400