CBSE One Mark Important Questions for 2020 Exam Part 6

Lesson 6 of 13 • 0 upvotes • 9:05mins

Brijesh Sharma

This video is for CBSE class 10 students. The questions solved are 1 marker type questions that too very important and likely to be asked in upcoming BOARD exam. This video is relevant for students opted for STANDARD and BASIC maths both. 4 questions are taken in this video and here they are, 19) A number is chosen at random from the numbers – 3, – 2, – 1, 0, 1, 2, 3. What will be the probability that square of this number is less then or equal to 1 ? 20) If the distance between the points (4, k) and (1, 0) is 5, then what can be the possible values of k ? 21) If x = 3 sinѲ and y = 4 cosѲ, find the value of √(16x^2+ 9y^2 ) 22) From an external point P, tangents PA and PB are drawn to a circle with centre O. If angle PAB=50°, then find angle AOB