Question
The marked price of an article is 30% higher than the
cost price. If a trader sells the articles allowing 10% discount to customer, then the gain percent will beSolution
let cost price (CP) = Rs 100 MP (marked price) = 30% more than cost price = 30/100 × 100 = 30 + 100 {here 100 = CP} MP =Rs 130 discount% = 10% discount = 10% of 130 = Rs 13 { ∵ discount = (discount percent / 100) × MP} So selling price SP = 130 – 13 = 117 { ∵ SP = MP – discount} gain = 117 – 100 = 17 { ∵ gain = SP – CP} gain % = (17/100) × 100 = 17%
The simplified value of (452 x 452 x 452 – 356 x 356 x 356)/(452 x 356 + 452 x 452 + 356 x 356) is:
The average of 15 numbers is 32. If 2 is added to each number, then the new average will be:
125% of 88 ÷ 44 × 48 × 8 = ? × √125
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