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.

Question:

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 : There are three coins. First is a biased that comes up tails 60% of the times, second is also a biased coin that comes up heads 75% of the times and third is an unbiased coin. One of the three coins is chosen at random and tossed, it shows heads, what is the probability that it was the first coin?      (View Answer Video)

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?   (View Answer Video)

Question 3 : If E and F are two events such that,
 Question, Find P(E or F).         (View Answer Video)

Question 4 : 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)

Question 5 : If P(A)=Question, P(B)=Question and Question=Question, find Question. (View Answer Video)

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

Continuity and Differentiability

Question 1 :  Find the second order derivative of the function Question. (View Answer Video)

Question 2 :  Find the second order derivative of the function Question. (View Answer Video)

Question 3 : Differentiate the function Question with respect to x. (View Answer Video)

Question 4 :  Find the second order derivative of the function Question. (View Answer Video)

Question 5 : Differentiate Question w.r.t.x. (View Answer Video)

Vector Algebra

Question 1 : L and M are two points with position vectors Questionand Questionrespectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally.   (View Answer Video)

Question 2 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B. (View Answer Video)

Question 3 : Find the vector quantities from the following:
(i) Time period          (ii) Distance          (iii) Force
(iv) Velocity               (v) Work done          
  (View Answer Video)

Question 4 : Find the position vector of a point which divides the join of points with position vectors Questionand Questionexternally in the ration 2:1.  (View Answer Video)

Question 5 :  If Question and Question are two equal vectors, then write the value of Question  (View Answer Video)

Linear Programming

Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)