Mathematics
In the given figure, O is the center of the circumcircle of triangle XYZ. Tangents at points X and Y intersect at point T. If angle XTY = 80° and angle XOZ = 140°, find the angle ZXY.
Related Questions
Cards numbered 11 to 60 are kept in a box. If a card is drawn at random from the box, find the probability that the number on the drawn card is :
(i) a perfect square number
(ii) divisible by 5
(iii) a prime number less than 20.
Using assumed mean method, calculate the mean.
Class-interval Frequency 0-30 22 30-60 30 60-90 40 90-120 36 120-150 28 150-180 20