Question
A man bought an article at 12.5% less of the marked
price and sold it at 5% more than the marked price. Find the profit earned by him.Solution
Let the marked price be Rs. 100 ∴ cost price = 100 - 12.5 = 87.5 And, selling price = 100 + 5 = 105 Profit = 105 - 87.5 = 17.5 Profit % = 17.5/87.5 x 100 = 20%
Find the common factor of (x2Â - 4x - 12) and (x2Â - 14x - 32).
If (5x + 2)3 + (x – 1)3 + 8(3x – 7)3 = 6(5x + 2) × (x – 1) × (3x – 7), then the value of (5x + 3) isÂ
...What is the average of the first 20 multiples of 12?
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X, appeared in ...

48 24 24 48 ? 1536
...What is the highest common factor of (x³ - x² - x - 15) and (x³ - 3x² - 3x + 9)?
If
= 2 then find Find the remainder on dividing (5x 3  + 4x 2  – 10x + 1) by (2x – 4).