CBSE Probability Maths 12 Science Solutions for MCQ in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides CBSE Probability Maths 12 Science Solutions for MCQ through Video Solutions in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Probability not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

** Question:**

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in ( Hindi )

**Question 1** : A card from a pack of 52 playing card is lost. From the remaining cards of the pack, three cards are drawn at random (without replacement) and are found to be all spades. Find the probability of the lost card being a spade. (View Answer Video)

**Question 2** : A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find (a) . (View Answer Video)

**Question 3** : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:

Only 2 cards are spades? (View Answer Video)

**Question 4** : 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 5** : An urn contains 3 white and 6 red balls. Four balls are drawn one by one with replacement from the urn. Find the probability distribution of the number of red balls drawn. Also, find mean and variance of distribution. (View Answer Video)

**Question 1** : Find the approximate value of f(5.001) where. (View Answer Video)

**Question 2** : The approximate change in the volume of a cube of side x meters caused by increasing the side by 3% is, (View Answer Video)

**Question 3** : The function f is a differentiable function and satisfies the functional equation f(x) + f(y) = f(x + y) – xy – 1for every pair x, y of real numbers. If f(1) = 1, then the number of integers n ≠ 1 for which f(n) = n is_______________. (View Answer Video)

**Question 4** : Sand is pouring from a pipe at the rate of . The falling sand forms a cone on the ground in such a way that the height of the cone is always one-sixth of the radius of the base. How fast is the height of the sand cone increasing, when the height is 4 cm? (View Answer Video)

**Question 5** : Equation of normal to the curve x+y=x^y where it cuts x-axis; is (View Answer Video)

**Question 1** : Let Find A - B. (View Answer Video)

**Question 2** : Find the value of Y, if and . (View Answer Video)

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

**Question 4** : Find the value of y, from the equation: . (View Answer Video)

**Question 5** : Find the value of x from the equation: . (View Answer Video)

**Question 1** : Find the area of the region bounded by the curves and x = 3. (View Answer Video)

**Question 2** : Find the area of the region bounded by the curve and . (View Answer Video)

**Question 3** : Find the area of the region . (View Answer Video)

**Question 4** : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)

**Question 5** : Find the area of the region lying in the first quadrant and bounded by and y = 4. (View Answer Video)