CBSE Probability Maths 12 Science Answers for MCQ in English

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

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


An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes.   

Answer Video in English:

You can select video Answers from other languages also. Please check Answers in ( Hindi )

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

Question 1 : If Question and Question then find P(E / F).

Question 2 :  A bag contains 3 red and 7 black balls. 2 balls are selected at random one by one without replacement. If the second selected ball happens to be red, what is the probability that the first selected ball is also red?  

Question 3 : If E and F are two events such that,
 Question, Find P(not E and not F).

Question 4 : Out of a group of 30 honest people, 20 always speak the truth. Two persons are selected at random from the group. Find the probability distribution of the number of selected persons who speak the truth. Also find the mean of the distribution. What values are described in this question?    

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

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

Application of Derivatives

Question 1 : The line y = mx + 1 is a tangent to the curveQuestion if the value of m is:

Question 2 :

The total revenue in Rupees received from the sale of 'x' units of a product is given by :

The marginal revenue, when x=15 is :

Question 3 : The normal at the point (1, 1) on the curve Question is;

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?

Question 5 : Find the equation of the normal to a curve  Question which passes through the point (1,2).

Differential Equations

Question 1 : Find the particular solution of the differential equation Questiongiven that y = 1, when x = 0.

Question 2 : Solve the differential equation:

Question 3 : Find the particular solution of the differential equation Question  given that y = 1 when x = 0.

Question 4 : Find the solution of the differential equation Question

Question 5 : Find the general solution of the following differential equation :

Relations and Functions

Question 1 : LetQuestionbe defined as f(x) = 3x. 

Question 2 : If Question is a relation on N, write the range of R.

Question 3 : Functions Question are defined respectively, by Question, find Question

Question 4 :  If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to,

Question 5 : Number of binary operations on the set { a, b} are: