12 Science CBSE Answers for MCQ Maths Relations and Functions in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides 12 Science CBSE Answers for MCQ Maths Relations and Functions 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 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 Answer in a narrative video format.
Question:
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : If is a relation on N, write the range of R. (View Answer Video)
Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)
Question 3 : Functions are defined respectively, by , find . (View Answer Video)
Question 4 : The number of binary operations which can be defined on the set is, (View Answer Video)
Question 5 : Number of binary sets on the set is, (View Answer Video)
Question 1 : If and then find . (View Answer Video)
Question 2 : Three cards are drawn without replacement from a pack of 52 cards. Find the probability that the cards drawn are king, queen and jack respectively.
(View Answer Video)
Question 3 : A girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin two times and notes the number of heads obtained. If she obtained exactly two heads, what is the probability that she threw 1, 2, 3, or 4 with the die? (View Answer Video)
Question 4 : A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find (a) . (View Answer Video)
Question 5 : An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes. (View Answer Video)
Question 1 : If , find in terms of y alone. (View Answer Video)
Question 2 : Differentiate the function w.r.t.x . (View Answer Video)
Question 3 : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)
Question 4 : Differentiate w.r.t.x the function . (View Answer Video)
Question 5 : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)
Question 1 : The maximum value of is (View Answer Video)
Question 2 : A tank with a rectangular base and rectangular sides, open at the top is to be constructed so that its depth is 2m and volume is If the building of tank costs Rs.70 per sq meter for the base and Rs.45 per sq meter for sides. What is the cost of least expensive? (View Answer Video)
Question 3 : What is the maximum value of the function sin x+ cos x? (View Answer Video)
Question 4 : A stone is dropped into a quiet lake and waves move in circles at a speed of 4 cm per second. At the instant when the radius of the circular waves is 10 cm, how fast is the enclosed area increasing? (View Answer Video)
Question 5 : The slope of the normal to the curve at x = 0 is: (View Answer Video)