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

Expert Teacher provides Answers for MCQ CBSE 12 Science Maths 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:**

** Compute P(A/B) if P(B) =0.5 and P(AB)=0.32. **

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

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

**Question 1** : How many times must a man toss a fair coin, so that the probability of having at least one head is more than 80%. (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** : 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 4** : Consider the experiment of tossing a coin. If the coin shows head, toss is done again, but if it shows tail, then throw a die. Find the conditional probability of the events that ' the die shows a number greater than 4', given that ' there is atleast one tail'. (View Answer Video)

**Question 5** : If E and F are independent events, then show that and

(View Answer Video)

**Question 1** : Find the particular solution of the differential equation given that y = 1 when x = 0. (View Answer Video)

**Question 2** : If y(x) is a solution of the differential equation and y(0) = 1, then find the value of (View Answer Video)

**Question 3** : Write the differential equation representing the curve where a is an arbitrary constant. (View Answer Video)

**Question 4** : Solve the differential equation (View Answer Video)

**Question 5** : If x cos(a + y) = cos y, then prove that

Hence show that (View Answer Video)

**Question 1** : If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. (View Answer Video)

**Question 2** : Consider a binary operation * on N defined as . Choose the correct answer. (View Answer Video)

**Question 3** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 4** : The law a + b = b + a is called ______. (View Answer Video)

**Question 5** : be defined as f(x) = (View Answer Video)

**Question 1** : Find the equation of the plane passing through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is perpendicular to the plane x - y + z = 0. Also, find the distance of the plane obtained above from the origin. (View Answer Video)

**Question 2** : If a line has the direction ratios -18, 12, -4, then what are its direction cosines? (View Answer Video)

**Question 3** : If a lines makes angle and with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)

**Question 4** : Find the equation of plane passing through the line of intersection of the planes and and passing through the point (3, -2, -1). Also, find the angle between the two given planes. (View Answer Video)

**Question 5** : If the lines and are perpendicular to each other, then find the value of P. (View Answer Video)