एक संख्या के पहले 10% बढ़ाया गया,
फिर 20% और बढ़ाया गया । मूल संख्या
में कुल कितनी वृद्धि हुई?
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Answer:
let no be x
than when x%increase than
these no = x of 110/100
so no=110x/100
now these increase 20%
so no = 110x /100 of120/100
now how much increase u can find
mark as a brainlist please
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