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If the prize of an item is increased to Rs. 90 from Rs. 60, the % increase is
Concept:% \( Increase=\frac{New\ price-Old\ price}{Old\ price}\times100\)Calculation:Given:New price = 90 Rs, Old price = 60 Rs% \( Increase=\frac{90-60}{60}\times100=\frac{1}{2}\times100=50\)Hence price will increase by 50%
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