एक वस्तु को
को लगातार 20%और 10% छुट देकर बेचा गया तो समतुल्य छुट निक।ले
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Answer:
uski mark price x man lo
x me 20% discount minus kar do-> x-(20/100 ×. x) phir jo 20% discounted price nikla hai uspe bhi 10% discount minus kar do->[x-(1/5× x)] - {10/100 ×[x-(1/5× x)]}
phir agar x ki value di ho to rakh ke solve kar do
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