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

Expert Teacher provides 12 Science Maths CBSE Solutions for MCQ 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 king **

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

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

**Question 1** : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of number of successes. Hence, find the mean of the distribution. (View Answer Video)

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

**Question 3** : 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 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** : Find the mean, the variance and the standard deviation of the number of doublets in three throws of a pair of dice. (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 x cos(a + y) = cos y, then prove that

Hence show that (View Answer Video)

**Question 3** : Find the general solution of differential equation (View Answer Video)

**Question 4** : If m and n are the order and degree, respectively of the differential equation then write value of m+n. (View Answer Video)

**Question 5** : Solve the differential equation given that y = 1 when x = 1. (View Answer Video)

**Question 1** : Find the vector quantities :

(i) Work (ii) Force

(iii) Velocity (iv) Displacement. (View Answer Video)

**Question 2** : Write the position vector of the point which divides the join of points with position vectors and in the ratio 2:1. (View Answer Video)

**Question 3** : Write a vector in the direction of the vector that has magnitude 9 units. (View Answer Video)

**Question 4** : Find the value of x and y so that the vectors and are equal. (View Answer Video)

**Question 5** : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. (View Answer Video)

**Question 1** : The following system of equations has x + 3y + 3z = 2, x + 4y + 3z = 1, x + 3y + 4z = 2,

(View Answer Video)

**Question 2** : Evaluate the determinants in :. (View Answer Video)

**Question 3** : Evaluate the determinant: . (View Answer Video)

**Question 4** : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)

**Question 5** : Evaluate the determinants:. (View Answer Video)