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

Expert Teacher provides 12 Science Maths CBSE Answers for MCQ Probability through Video Answers 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 Answer in a narrative video format.

** Question:**

** Answer Video in** **English****:**

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

**Question 1** : 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 2** : If P(A)=, P(B)= and =, find . (View Answer Video)

**Question 3** : A and B throw a pair of dice alternately. A wins the game if he gets a total of 9 and B wins if he gets a total of 7. If A starts the game, find the probability of winning the game by B. (View Answer Video)

**Question 4** : 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 5** : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:

exactly 5 successes?

(View Answer Video)

**Question 1** : The line y=mx+1 is a tangent to the curve if the value of m is ________. (View Answer Video)

**Question 2** : It is given that at x=1, the function attains its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)

**Question 3** : Ifthen the approximate value of f(3.02) 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** : A balloon, which always remains spherical has a variable radius. Find the rate at which its volume is increasing with the radius when the later is 10 cm. (View Answer Video)

**Question 1** : Let A be a square matrix of order , then |kA| is equal to, (View Answer Video)

**Question 2** : If A =, find | A |. (View Answer Video)

**Question 3** : If A is an invertible matrix of order 2, then is equal to, (View Answer Video)

**Question 4** : If=andis Cofactor of , then the value of is given by (View Answer Video)

**Question 5** : If a, b, c are in AP, then determinant . (View Answer Video)

**Question 1** : Find : (View Answer Video)

**Question 2** : Find . (View Answer Video)

**Question 3** : Evaluate : (View Answer Video)

**Question 4** : Find : . (View Answer Video)

**Question 5** : Write the value of :. (View Answer Video)