A shopkeeper sold a school bag at a profit of 35%. Had he sold the school bag at 20% profit he would have earned Rs.135 less. Find the cost price of the school bag.
Let the cost price of the school bag be Rs.’x’ According to question, => 1.35x – 1.2x = 135 => 0.15x = 135 => x = 900 So, the cost price of the school bag is Rs.900.
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