CBSE 12 Science Answers for MCQ Maths Three Dimensional Geometry in English

Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

Question 1 : Write the distance between the parallel planes 2x - y + 3z = 4 and 2x - y + 3z = 18. (View Answer Video)

Question 2 : If a lines makes angle and  with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)

Question 3 : A line passes through the point with position vector and makes angles and with x, y and z-axis respectively. Find the equation of the line in the Cartesian form. (View Answer Video)

Question 4 : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (View Answer Video)

Question 5 : Find the co-ordinates of the point where the line through the points A(3, 4, 1) and B(5, 1, 6) crosses the XY-plane. Also find angle which this line makes with the XZ-plane. (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Relations and Functions

Question 1 : Let A ={1, 2, 3}. Then number of equivalence relations containing (1, 2) is: (View Answer Video)

Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

Question 3 : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

Question 4 : Consider a binary operation * on N defined as . Choose the correct answer. (View Answer Video)

Question 5 : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ). (View Answer Video)

Continuity and Differentiability

Question 1 : Differentiate the function  with respect to x. (View Answer Video)

Question 2 : Differentiate the function w.r.t.x . (View Answer Video)

Question 3 : Differentiate the function  with respect to x. (View Answer Video)

Question 4 :  Find the second order derivative of the function . (View Answer Video)

Question 5 : Find  for the function . (View Answer Video)

Probability

Question 1 : A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random (without replacement) from the bag which are both found to be red. Find the probability that the balls are drawn from the first bag.    (View Answer Video)

Question 2 :  If E and F are independent events, then show that and 
  (View Answer Video)

Question 3 : A couple has 2 children. Find the probability that both are boys, if it is known that one of them is a boy.  (View Answer Video)

Question 4 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white?  (View Answer Video)

Question 5 : In a school, there are 1,000 students, out of which 380 are girls. Out of 380 girls, 10% of the girls scored highest in GS. What is the probability that a student chosen randomly scored highest in GS given that the chosen student is a girl?  (View Answer Video)