CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics Q. 7. In Fig. 2, PA and PB are tangents drawn from a point P to the circle with centre O. If Ans . 120 Sol .
Q. 8. What is the angle subtended at the centreof a circle of radius 7 cm, by an arc of length 11 cm? Ans . 90° Sol . Q. 9. A box contains 3 blue, 2 white and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it will not be a whitemarble? 1 Sol. Total no. of marbles = 3 + 2 + 4 = 9 Q. 10. Determine k so that 3k – 2, 4k – 6 and k + 2 are three consecutive terms of an A.P. 1 Sol. 3k – 2, 4k – 6 and k + 2 are three consecutive
CBSE 2009 Question Papers Class X |