For the following questions answer them individually
On a certain principal if the Simple interest for two years is Rs 3000 and Compound interest for the two years is Rs 3225, what is the rate of Interest?
At 10% discount the selling price of a toaster is Rs 18000, what is the selling price if the discount is 37.5%?
An engineering student has to secure 24% marks to pass. He gets 61 and fails by 29 marks. What is the maximum marks for that exam?
If 7 + 3x ≥ 5 - x/2 and 2x + 3 ≤ 5 - 2x; then x can take which of the following values?
If a cone of radius 3.5 cm and height 9.6 cm is melted and constructed into a cylinder of the same radius, what will be the height of this cylinder? (Take π = 22/7)