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

Expert Teacher provides CBSE Matrices Maths 12 Science Solutions for MCQ 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 Matrices 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 )

**Question 1** : Find the value of c from the equation: . (View Answer Video)

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

**Question 3** : Find the value of Y, if and . (View Answer Video)

**Question 4** : Find the value of Y, if and . (View Answer Video)

**Question 5** : Find the inverse of the matrix, . (View Answer Video)

**Question 1** : In a group of 30 scientists workings on an experiment, 20 never commit error in their work and are reporting results elaborately. Two scientists are selected at random from the group. Find the probability distribution of the number of selected scientists who never commit error in work and reporting. Also find the mean of the distribution. What values are described in this question? (View Answer Video)

**Question 2** : 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 3** : A man is known to speak the truth 3 out of 5 times. He throws a die and reports that it is 1. Find the probability that it is actually 1. (View Answer Video)

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

**Question 1** : If the lines and are perpendicular to each other, then find the value of P. (View Answer Video)

**Question 2** : Write the vector equation of the plane passing through the point (a, b, c) and parallel to the plane (View Answer Video)

**Question 3** : Find the vector equation of the plane which is at a distance of 5 units from the origin and normal to the plane is (View Answer Video)

**Question 4** : Find the direction cosines of the line (View Answer Video)

**Question 5** : The equation of a line AB is Write the direction cosines of a line parallel to the above line. (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)