MCQ in English Answers for CBSE Maths 12 Science Probability

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

Expert Teacher provides MCQ Answers for CBSE Maths 12 Science 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.


 In a group of 400 people, 160 are smokers and non-vegetarian, 100 are smokers and vegetarian and the remaining are non-smokers and vegetarian. The probabilities of getting a special chest disease are 35%, 20% and 10% respectively. A person is chosen from the group at random and is found to be suffering from the disease. What is the probability that the selected person is a smoker and non-vegetarian? What value is reflected in this question?    

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 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

Question 2 : 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 3 : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean.  (View Answer Video)

Question 4 : If P(A)=0.8, P(B)=0.5 and Question=0.4, find Question. (View Answer Video)

Question 5 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
atmost 5 successes? (View Answer Video)

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

Differential Equations

Question 1 : Show that the solution of differential equation :
Question (View Answer Video)

Question 2 : Write the sum of the order and degree of the differential equation  Question (View Answer Video)

Question 3 : If m and n are the order and degree, respectively of the differential equation Question  then write value of m+n. (View Answer Video)

Question 4 : Solve the differential equation:
 Question (View Answer Video)

Question 5 :  Find the particular solution of the differential equation Question given that Question  When x =1.  (View Answer Video)

Application of Integrals

Question 1 : Find the area of the region Question. (View Answer Video)

Question 2 : Using integration find the area of the triangular region whose sides have the equations y = 2x + 1, y = 3x + 1 and x = 4. (View Answer Video)

Question 3 : Find the area of the region bounded by the curve Question and Question. (View Answer Video)

Question 4 : Area lying in the first quadrant and bounded by the circle Question and the lines x =0 and x = 2 is (View Answer Video)

Question 5 : Find the area of the region enclosed by the parabola Questionthe line y = x + 2. (View Answer Video)


Question 1 : Compute: Question. (View Answer Video)

Question 2 : Find the transpose of the matrix: Question. (View Answer Video)

Question 3 : Find the value of X, if Question and Question. (View Answer Video)

Question 4 : Find the value of X, if Question and Question. (View Answer Video)

Question 5 : Compute: Question. (View Answer Video)