Question
A shopkeeper bought two mobile phones at the same price.
He sold one at a profit of 25% and the other at a loss of 15%. If his total profit on both phones together was Rs. 1,100, find the cost price of each phone.Solution
Let cost price of each phone = Rs. x Profit on first = 25% of x = 0.25x Loss on second = 15% of x = 0.15x Net profit = 0.25x − 0.15x = 0.10x Given net profit = 1,100 0.10x = 1,100 ⇒ x = 11,000
Find the odd one out.
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