A man sold 20articles for rs. 60 and gained 20%.how many articles did he buy for rs. 60
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Answer: 12 articles
Step-by-step explanation:
SP of 20 articles for a man = ₹60
His gain% = 20%
CP = 100/(100+gain%)*SP
= 100/120*60 = ₹50
CP of 20 articles = ₹50
CP of 1 article = ₹50/20 = ₹2.5
Therefore number of articles bought for Rs 60 = 60/2.5 = 60/25*10 = 12 articles
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