Solutions for MCQ CBSE 12 Science Maths Relations and Functions in English

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

Expert Teacher provides Solutions for MCQ CBSE 12 Science Maths Relations and Functions 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 Relations and Functions 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:

Functions Question are defined respectively, by Question, find 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, Relations and Functions

Question 1 :  Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)

Question 2 : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

Question 3 : Question be  defined as f(x) =Question (View Answer Video)

Question 4 : The number of binary operations which can be defined on the set Question is, (View Answer Video)

Question 5 : Number of binary operations on the set {a, b} are : (View Answer Video)

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

Integrals

Question 1 : Evaluate: Question (View Answer Video)

Question 2 : Evaluate : Question (View Answer Video)

Question 3 : Find the integral of the function Question. (View Answer Video)

Question 4 : Show that : Question (View Answer Video)

Question 5 : Show that : Question (View Answer Video)

Linear Programming

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

Probability

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 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
 exactly 5 successes?
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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 : If P(A)=Question, P(B)=Question and Question=Question, find Question. (View Answer Video)

Question 5 : How many times must a man toss a fair coin, so that the probability of having at least one head is more than 80%.  (View Answer Video)