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

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

Question 1 : Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b. (View Answer Video)

Question 2 : Write the equation of the straight line through the point and parallel to z-axis. (View Answer Video)

Question 3 : 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. (View Answer Video)

Question 4 : Find the distance between the point (-1, -5, -10) and the point of intersection of line and plane
x - y + z = 5. (View Answer Video)

Question 5 : Find the co-ordinates of the point where the line through the points (3, -4, -5) and (2, -3, 1) crosses the plane
2x + y + z = 7. (View Answer Video)

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

Application of Integrals

Question 1 : Using integration, find the area of the  co-ordinates whose vertices are P(2,0), Q(4, 5) and R(6,3). (View Answer Video)

Question 2 : Using integration, find the area of the region bounded by the line 2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0. (View Answer Video)

Question 3 : Find the area of the region bounded by the curve  and the line x = 3. (View Answer Video)

Question 4 : Area lying in the first quadrant and bounded by the circle  and the lines x =0 and x = 2 is (View Answer Video)

Question 5 : Using the method of integration, find the area of the region bounded by the lines 3x - y - 3 = 0, 2x + y - 12 = 0 and x -2y - 1 = 0. (View Answer Video)

Vector Algebra

Question 1 : Find the angle between the vectors  and  (View Answer Video)

Question 2 : Write a unit vector in the direction of the sum of vectors : and   (View Answer Video)

Question 3 : Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (-5, 7). (View Answer Video)

Question 4 : If the vertices A, B, C of a triangle ABC have position vectors (1, 2, 3), (-1, 0, 0), (0, 1, 2) respectively then find <ABC (<ABC is the angle between the vectors BA and BC). (View Answer Video)

Question 5 : Find the sum of the vectors  and  (View Answer Video)

Probability

Question 1 : One card is drawn from a pack of 52 cards. Find the probability of getting a jack of hearts: 
  (View Answer Video)

Question 2 : A problem in mathematics is given to 4 students A, B, C, D. Their chances of solving the problem, respectively, are   and . What is the probability that atmost one of them solve the problem?  (View Answer Video)

Question 3 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

Question 4 : There are three coins. First is a biased that comes up tails 60% of the times, second is also a biased coin that comes up heads 75% of the times and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the first coin?      (View Answer Video)

Question 5 : One card is drawn from a pack of 52 cards. Find the probability of getting a black face card: (View Answer Video)