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# CBSE Maths 12 Science Probability MCQ Answers in English

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

Expert Teacher provides CBSE Maths 12 Science Probability MCQ Answers 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 : A couple has 2 children. Find the probability that both are boys, if it is known that one of them is a boy.  (View Answer Video)

Question 2 : A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random (without replacement) from the bag which are both found to be red. Find the probability that the balls are drawn from the first bag.    (View Answer Video)

Question 3 :  A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail.  (View Answer Video)

Question 4 :  Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:

Question 5 : A box contains 50 bolts and 50 nuts. Half of the bolts and nuts are rusted. If two items are drawn with replacement, what is the probability that either both are rusted or both are bolts.    (View Answer Video)

### Continuity and Differentiability

Question 2 : Differentiate w.r.t.x the function , for some fixed a > 0 and x > 0. (View Answer Video)

Question 4 : Differentiate w.r.t.x the function , for some constant a and b. (View Answer Video)

Question 5 : Find the value of k, if the area of the triangle is 4 sq unit and vertices are (-2, 0), (0, 4), (0, k). (View Answer Video)

### Vector Algebra

Question 1 : Find the vector quantities :
(i)     Work                     (ii)      Force

Question 2 : Compute the magnitude of the following vectors:

Question 3 : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)

Question 4 : Find the scalar quantities from the following:
(i) Time period          (ii) Distance          (iii) Force