12 Science CBSE Maths Answers for MCQ Probability in English

Similar Questions from CBSE, 12th Science, Maths, 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  and  find if E and F are independent events.  (View Answer Video)

Question 3 : P speaks truth in 70% of the cases and Q in 80% of the cases. In what percent of cases are they likely to agree in stating the same fact?  (View Answer Video)

Question 4 : A speaks truth in 60% of the cases, while B in 90% of cases. In what percent of cases are they likely to contradict each other in stating the same fact? In the cases of contradiction do you think, the statement B will carry more weight as he speaks truth in more number of cases than A?    (View Answer Video)

Question 5 :  If E and F are independent events, then show that  and are also independent.  (View Answer Video)

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

Application of Integrals

Question 1 : Using the method of integration find the area of the region bounded by lines:
2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0.
  (View Answer Video)

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

Question 3 : Find the area of the smaller part of the circle cut off by the line   (View Answer Video)

Question 4 : A farmer has a field of shape bounded by and x = 3, he wants to divide this into his two sons equally by a straight line x = c. Can you find c? What value, you find in the person ? (View Answer Video)

Question 5 : Using the method of integration, find the area of the triangular region whose vertices are (2, -2), (4, 3) and (1, 2). (View Answer Video)

Three Dimensional Geometry

Question 1 : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is (View Answer Video)

Question 2 : Find the distance of the point (-1, -5, -10) from the point of intersection of the line    and the plane (View Answer Video)

Question 3 : Find the distance between the point (7, 2, 4) and the plane determined by the points A(2, 5, -3), B(-2, -3, 5) and C(5, 3, -3). (View Answer Video)

Question 4 : What is the distance of the point (p, q, r) from the x-axis ? (View Answer Video)

Question 5 : Find the distance between the point (5, 4, -6) and its image in xy-plane. (View Answer Video)

Matrices

Question 1 : If for any square matrix A,  then write the value of |A|. (View Answer Video)

Question 2 : If , write the value of"x". (View Answer Video)

Question 3 : Given, , find the value of x. (View Answer Video)

Question 4 : Let  Find A + B. (View Answer Video)

Question 5 : Find the value of Y, if  and .  (View Answer Video)