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# Maths 12 Science CBSE Probability Solutions for MCQ in English

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

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

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, Probability

Question 1 : A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20, 16, 18, 20, 17, 16, 19 and 20 years. One student is selected in such a manner that each has the same chance of being chosen and the age X of the selected student is recorded. What is the probability of the random variable X? Find the mean.   (View Answer Video)

Question 2 : A coin is biased so that the heads is 2 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails. Hence find the mean of the distribution.  (View Answer Video)

Question 3 :  Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
All the four cards are spades?

Question 4 : A speaks truth in 60% of the cases, while B in 90% of cases. In what percent of cases are they likely to contradict each other in stating the same fact? In the cases of contradiction do you think, the statement B will carry more weight as he speaks truth in more number of cases than A?    (View Answer Video)

Question 5 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white?  (View Answer Video)

### Application of Derivatives

Question 1 : The radius of an air bubble is increasing at the rate of . At what rate is the volume of the bubble increasing when its radius is 1 cm? (View Answer Video)

Question 2 : Find two positive numbers whose sum is 16 and the sum of whose cubes is minimum. (View Answer Video)

Question 3 : The slope of the tangent to the curve at the point (2,-1) is _______________. (View Answer Video)

Question 4 : The normal to the curve passing (1, 2) is: (View Answer Video)

Question 5 : The line y=mx+1 is a tangent to the curve if the value of m is ________. (View Answer Video)

### Integrals

Question 1 : Find: . (View Answer Video)

Question 2 : Find: . (View Answer Video)

Question 3 : (View Answer Video)

Question 4 : Write the value of: (View Answer Video)

Question 5 : Evaluate : (View Answer Video)

### Determinant

Question 1 : If A is a symmetric matrix, then ? (View Answer Video)

Question 2 : If the area of a triangle is 35 sq units with vertices (2, -6), (5, 4) and (k, 4). Then k is: (View Answer Video)

Question 3 : Using the properties of determinants, evaluate . (View Answer Video)

Question 4 : Find the equation of the line joining (1, 2) and (3, 6) using determinants. (View Answer Video)

Question 5 : Evaluate  the determinants in :. (View Answer Video)