The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika's present age?

A wholesaler sells a watch to a retailer at a gain of 37% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2,620.125, what had it cost the wholesaler?

For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?

In a triangle the length of the side opposite the angle which measures 30° is 9 cm, what is the length of the side opposite to the angle which measures 60°?

Which of the following equations has real and distinct roots?

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?

If (4x - 3) - (2x + 1) = 4, then the value of x is

The effective annual rate of interest corresponding to a nominal rate of 15% per annum payable half-yearly is