Select Page

# Answers for MCQ CBSE 12 Science Maths Probability in English

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

Expert Teacher provides Answers for MCQ CBSE 12 Science Maths Probability 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 Probability 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:

## Similar Questions from CBSE, 12th Science, Maths, Probability

Question 1 : 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)

Question 2 :  A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find  (a) (View Answer Video)

Question 3 : A bag A contains 4 black and 6 red balls and bag B 7 black and 3 red balls. A die is thrown. If 1 or 2 appears on it, then bag A is chosen, otherwise bag B. It two balls are drawn at random (without replacement) from the selected bag, find the probability of one of them being red and another black.        (View Answer Video)

Question 4 : Consider the experiment of tossing a coin. If the coin shows head, toss is done again, but if it shows tail, then throw a die. Find the conditional probability of the events that ' the die shows a number greater than 4', given that ' there is atleast one tail'.    (View Answer Video)

Question 5 :  If E and F are independent events, then show that and

### Differential Equations

Question 1 : Find the particular solution of the differential equation   given that y = 1 when x = 0. (View Answer Video)

Question 2 : If y(x) is a solution of the differential equation   and y(0) = 1, then find the value of  (View Answer Video)

Question 3 : Write the differential equation representing the curve where a is an arbitrary constant. (View Answer Video)

Question 5 : If x cos(a + y) = cos y, then prove that

### Relations and Functions

Question 1 : If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. (View Answer Video)

Question 3 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

Question 4 : The law a + b = b + a is called ______. (View Answer Video)