12 Science Maths CBSE Answers for MCQ Matrices in English

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

Expert Teacher provides 12 Science Maths CBSE Answers for MCQ Matrices through Video Answers 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 Answer in a narrative video format.

Question:

Find the value of y, from the equation: Question. 

Answer Video in English:

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

Similar Questions from CBSE, 12th Science, Maths, Matrices

Question 1 : Find the value of y, from the equation: Question.  (View Answer Video)

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

Question 3 : IfQuestion , then find "a". (View Answer Video)

Question 4 : Let Question Find 3A - C. (View Answer Video)

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

Questions from Other Chapters of CBSE, 12th Science, Maths

Relations and Functions

Question 1 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

Question 2 : Functions Question are defined respectively, by Question, find Question .  (View Answer Video)

Question 3 : Let Question be defined as f(x) = 3x. Choose the correct answer. (View Answer Video)

Question 4 : Consider Question given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

Question 5 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

Vector Algebra

Question 1 : Find the angle between the vectors Question and Question (View Answer Video)

Question 2 :  Write a vector in the direction of the vector Question that has magnitude 9 units.   (View Answer Video)

Question 3 : Find the position vector of a point which divides the join of points with position vectors Questionand Questionexternally in the ration 2:1.  (View Answer Video)

Question 4 : if a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a. (View Answer Video)

Question 5 : Find a vector in the direction of Questionthat has magnitude 7 units.   (View Answer Video)

Probability

Question 1 : A bag contains (2n+1) coins. It is known that (n-1) of these coins have a head on both sides, whereas the rest of the coins are fair. A coin is picked up at random from the bag and is tossed. If the probability that the toss results in a head is Question, determine the value of n. (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 : The probabilities of two students A and B coming to the school in time are Question and Questionrespectively. Assuming that the events ' A coming in time ' and
' B coming in time ' are independent. Find the probability of only one. Write of them come in time atleast one advantage of coming to school in time.   (View Answer Video)

Question 4 : A problem in mathematics is given to 4 students A, B, C, D. Their chances of solving the problem, respectively, are Question  and Question. What is the probability that atmost one of them solve the problem?  (View Answer Video)

Question 5 : 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)