Question
A took a loan of Rs.5410 at simple interest of 20% p.a.
and invested the same money in a scheme at simple interest of 30% p.a. Find the profit earned by A at the end of 2 years.Solution
Interest paid by A = (5410 × 2 × 20)/100 = Rs.2164 Interest received by A from the scheme = (5410 × 2 × 30)/100 = Rs.3246 Profit = 3246 – 2164 = Rs.1082
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).