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

Expert Teacher provides Maths 12 Science Probability CBSE 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** : 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 2** : Out of a group of 30 honest people, 20 always speak the truth. Two persons are selected at random from the group. Find the probability distribution of the number of selected persons who speak the truth. Also find the mean of the distribution. What values are described in this question? (View Answer Video)

**Question 3** : If E and F are independent events, then show that and

(View Answer Video)

**Question 4** : 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 5** : A and B throw a pair of dice alternately. A wins the game if he gets a total of 7 and B wins the game if he gets a total of 10. If A starts the game, the find the probability that B wins. (View Answer Video)

**Question 1** : Using principal values, write the value of (View Answer Video)

**Question 2** : Write in the simplest form:

(View Answer Video)

**Question 3** : Evaluate :

(View Answer Video)

**Question 4** : If then find the value of x. (View Answer Video)

**Question 5** : Solve for

(View Answer Video)

**Question 1** : Find the area enclosed between the parabola and the line y = mx. (View Answer Video)

**Question 2** : Find the area of the region . (View Answer Video)

**Question 3** : Given that , for x = 0 to x = 20. Find f(x) and g(x) such that the area between f(x) and from x = 0 to x = 5 be and area between g(x) and from y = 0 to y = 5 be . Is = ? Like functions f and g which work is better, team work or individual work? (View Answer Video)

**Question 4** : Find the area of the smaller region bounded by the ellipse and the straight line 8x + 3y = 12. (View Answer Video)

**Question 5** : Find the area bounded by curves and (View Answer Video)

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

**Question 2** : If for any square matrix A, then write the value of |A|. (View Answer Video)

**Question 3** : Find the inverse of the matrix, . (View Answer Video)

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

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