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

Expert Teacher provides CBSE 12 Science Solutions for MCQ Maths Probability 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:**

** One card is drawn from a pack of 52 cards. Find the probability of getting a jack of hearts:
**

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

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

**Question 1** : An insurance company insured 2,000 cyclists, 4,000 scooter drivers and 6,000 motorbike drivers. The probability of an accident involving a cyclist, scooter driver and a motorbike driver are 0.01, 0.03, and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver? (View Answer Video)

**Question 2** : Three numbers are selected at random (without replacement ) from first six positive integers. Let X denote the largest of the three numbers obtained. Find the probability distribution of X. Also, find the mean and variance of the distribution. (View Answer Video)

**Question 3** : There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tails 40% of the times. One of the three coins is chosen at random and tossed, and it shows heads. What is the probability that it was the two-headed coin? (View Answer Video)

**Question 4** : 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 5** : Three persons A, B and C apply for a job of Manager in a Private company. Chance of their selection (A, B and C) are in the ratio 1:2:4. The probability that A, B, and C can introduce changes to improve profits of company are 0.8, 0.5 and 0.3 respectively, if the changes does not take place, find the probability that is due to the appointment of C. (View Answer Video)

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

**Question 2** : Find the value of x, from the equation: . (View Answer Video)

**Question 3** : Find the value of y from the equation: . (View Answer Video)

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

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

**Question 1** : Find the solution of the differential equation (View Answer Video)

**Question 2** : Solve the following differential equation :

(View Answer Video)

**Question 3** : Find the particular solution of the differential equation given that When x =1. (View Answer Video)

**Question 4** : If x cos(a + y) = cos y, then prove that

Hence show that (View Answer Video)

**Question 5** : Solve the differential equation:

(View Answer Video)

**Question 1** : Find the distance of the point (-1, -5, -10) from the point of intersection of the line joining the points A(2, -1, 2) and B(5, 3, 4) with the plane x - y + z = 5. (View Answer Video)

**Question 2** : Find the intercepts cut off by the plane 2x + y - z = 5. (View Answer Video)

**Question 3** : If lines and intersect, then find the value of k and hence find the equation of plane containing these lines. (View Answer Video)

**Question 4** : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)

**Question 5** : Find the equation of the plane passing through the line of intersection of the planes and which is perpendicular to the plane . (View Answer Video)