find x if 4,7,28,x are in proportion
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a shopkeeper purchased 200 bulbs 4 rs 10 each. however 5 bulbs were fused and he sold the remaining bulbs 4 rs 12 each. then the overall profit or loss will be
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Answer:
Product of extreme = 4× x
product of means = 7 ×28
4×28 =16
7
x =16 ans please mark me as a brilliant person
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