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# 12 Science Maths CBSE Solutions for MCQ Probability in English

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:

Solution Video in English:

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

## Similar Questions from CBSE, 12th Science, Maths, Probability

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)

### Differential Equations

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

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)

### Vector Algebra

Question 1 : Find the vector quantities :
(i)     Work                     (ii)      Force

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)

### Determinant

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