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.

Question:

 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 : A speaks truth in 75% of the cases, while B in 90% of the cases. In what percent of cases are they likely to contradict each other in stating the same fact? Do you think that statement of B is always true?     (View Answer Video)

Question 2 : A bag contains 4 green and 6 white balls. Two balls are drawn one by one without replacement. If the second ball drawn is white, what is the probability that the first ball drawn is also white?   (View Answer Video)

Question 3 :  A and B throw a pair of dice alternatively, till one of them gets a total of 10 and wins the game. Find their respective probabilities of winning, if A starts first.   (View Answer Video)

Question 4 :  Three numbers are selected at random (without replacement ) from first six positive integers. Let X denote the largest of the three numbers obtained. Find the probability distribution of X. Also, find the mean and variance of the distribution.  (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:
 atleast 5 successes?
  (View Answer Video)

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

Matrices

Question 1 : Find the inverse of the matrix, Question. (View Answer Video)

Question 2 : If Question , find (x-y). (View Answer Video)

Question 3 : If A is a square matrix such that,Question then find the simplified value of:Question. (View Answer Video)

Question 4 : Compute: Question. (View Answer Video)

Question 5 : Find the value of X, if Question and Question. (View Answer Video)

Application of Derivatives

Question 1 : For all real values of x the minimum value of.Question (View Answer Video)

Question 2 : What is the maximum value of the function sin x+ cos x? (View Answer Video)

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

Question 4 : Find the equation of the tangent to the curve Question at the points, where it cuts the x axis. (View Answer Video)

Question 5 : Find the maximum value of inQuestion the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

Determinant

Question 1 : Evaluate Question. (View Answer Video)

Question 2 : Points (a,a,c),(1,0,1) and (c,c,b) are collinear if: (View Answer Video)

Question 3 : Evaluate Question. (View Answer Video)

Question 4 :  Evaluate the determinants:Question. (View Answer Video)

Question 5 : Evaluate the determinant: Question. (View Answer Video)