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 z, from the equation: . (View Answer Video)

**Question 2** : Matrices A and B will be inverse of each other only if : (View Answer Video)

**Question 3** : Compute: . (View Answer Video)

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

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

**Question 1** : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

**Question 2** : 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 3** : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean. (View Answer Video)

**Question 4** : A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random (without replacement) from the bag which are both found to be red. Find the probability that the balls are drawn from the first bag. (View Answer Video)

**Question 5** : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:

exactly 5 successes?

(View Answer Video)

**Question 1** : Find the area of the region lying in the first quadrant and bounded by and y = 4. (View Answer Video)

**Question 2** : Using integration find the area of the triangular region whose sides have the equations y = 2x + 1, y = 3x + 1 and x = 4. (View Answer Video)

**Question 3** : Using integration, find the area of the region bounded by the triangle whose vertices are (-1, 2), (1, 5) and (3, 4). (View Answer Video)

**Question 4** : A farmer has a field of shape bounded by and x = 3, he wants to divide this into his two sons equally by a straight line x = c. Can you find c? What value, you find in the person ? (View Answer Video)

**Question 5** : Find the area enclosed between the parabola and the line y = mx. (View Answer Video)

**Question 1** : 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 2** : If a line makes angles with the positive direction of co-ordinate axes, then write the value of (View Answer Video)

**Question 3** : Find the direction cosines of the line (View Answer Video)

**Question 4** : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)

**Question 5** : If a line marks angles and with x, y and z-axis respectively, where is acute, then find . (View Answer Video)