MCQ in English Answers for CBSE Maths 12 Science Probability

Similar Questions from CBSE, 12th Science, Maths, Probability

Question 1 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
 atleast 5 successes?
  (View Answer Video)

Question 2 : A bag A contains 4 black and 6 red balls and bag B 7 black and 3 red balls. A die is thrown. If 1 or 2 appears on it, then bag A is chosen, otherwise bag B. It two balls are drawn at random (without replacement) from the selected bag, find the probability of one of them being red and another black.        (View Answer Video)

Question 3 :  In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian? What value is reflected in this question?     (View Answer Video)

Question 4 : If  and  then find P(E / F). (View Answer Video)

Question 5 : If P(A)=, P(B)= and =, find . (View Answer Video)

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

Relations and Functions

Question 1 : A function  defined as  is, (View Answer Video)

Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

Question 3 :  If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to, (View Answer Video)

Question 4 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

Question 5 : 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)

Three Dimensional Geometry

Question 1 : Find the equation of the plane passing through the line of intersection of the plane  and   which is at a unit distance from the origin. (View Answer Video)

Question 2 : If a line makes angles  with the positive direction of co-ordinate axes, then write the value of (View Answer Video)

Question 3 : Write the sum of intercepts cut off by the plane    on the three axes.  (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 A (3, 4, 1) and B (5, 1, 6) crosses the XY-plane. (View Answer Video)

Continuity and Differentiability

Question 1 : Find  for the function . (View Answer Video)

Question 2 : Find  for the function . (View Answer Video)

Question 3 : Differentiate w.r.t.x the function , for some constant a and b. (View Answer Video)

Question 4 : Differentiate the function w.r.t.x . (View Answer Video)

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