The length of tangent from a point A at a distance of 5cm from centre of a circle is 4cm. What will be radius of the circle?
A bag contains 5 red and 5 black balls. A ball is drawn at random from the bag. What is the probability of getting a red ball?
A bag contains 5 red and 5 black balls. A ball is drawn at random from the bag. What is the probability of getting a red ball?