MCQ Answers for CBSE 12 Science Maths Determinant in English

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

Expert Teacher provides MCQ Answers for CBSE 12 Science Maths Determinant 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 Determinant 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.


Evaluate the determinant: 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, Determinant

Question 1 :  Evaluate the determinants:Question. (View Answer Video)

Question 2 :  Find the values of x, ifQuestion. (View Answer Video)

Question 3 : Transpose of a column matrix is, (View Answer Video)

Question 4 :  Find the area of the triangle with vertices at the points (2, 7), (1, 1), (10, 8). (View Answer Video)

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


Question 1 : Find the value of X, if Question and Question. (View Answer Video)

Question 2 : If,Question find the value of y.  (View Answer Video)

Question 3 : If Question , find (x-y). (View Answer Video)

Question 4 : Find the transpose of the matrix: Question. (View Answer Video)

Question 5 : Compute: Question. (View Answer Video)

Vector Algebra

Question 1 : Find the unit vector in the direction of the vector Question (View Answer Video)

Question 2 : Find the angle between the vectors Question and Question (View Answer Video)

Question 3 : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is Questionand their scalar product is 1/2. (View Answer Video)

Question 4 : Find a vector in the direction of vector Question which has magnitude 21 units.  (View Answer Video)

Question 5 : Find the scalar quantities from the following:
(i) Time period          (ii) Distance          (iii) Force
(iv) Velocity               (v) Work done          (View Answer Video)


Question 1 : In a school, there are 1,000 students, out of which 380 are girls. Out of 380 girls, 10% of the girls scored highest in GS. What is the probability that a student chosen randomly scored highest in GS given that the chosen student is a girl?  (View Answer Video)

Question 2 : A couple has 2 children. Find the probability that both are boys, if it is known that the older child is boy. (View Answer Video)

Question 3 : If Question and Question find Questionif E and F are independent events.  (View Answer Video)

Question 4 :  In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian? What value is reflected in this question?     (View Answer Video)

Question 5 : 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)