For the following questions answer them individually
What is the value of $$(4a^{2} - 9b^{2})/(2a + 3b)$$ is
5% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?
A student multiplied a number by 5/6 instead of 6/5. What is the percentage error in the calculation?
The difference between simple and compound interests compounded annually on a certain sum of money for 2 years at 12% per annum is Rs 900. What is the value of given sum (in Rs)?
Given: 6x + 2(6-x) > 2x -2 < 5x/2 - 3x/4; then x can take which of the following values?
At least one pair of opposite angles is congruent in a ...................
A rice trader buys 25 quintals of rice for Rs 1,825. 27% rice is lost in transportation. At what rate should he sell to earn 20% profit?
Expanded and simplification of (x + 3)(x - 1) will be equal to
If 4/5th of 6/7th of a number is 216, then 8/9th of that number will be
