Solutions for MCQ CBSE 12 Science Maths Probability in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Solutions for MCQ CBSE 12 Science Maths Probability 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 )
Question 1 : Evaluate , if 2P(A)=P(B)=
and
=
. (View Answer Video)
Question 2 : A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn at random and are found to be hearts. Find the probability of the missing card to be a heart. (View Answer Video)
Question 3 : 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 4 : If P(A)=, P(B)=
and
=
, find
. (View Answer Video)
Question 5 : There are three coins. One is a two-headed coin (having head on both faces), another is a biased coin that comes up heads 75% of the times and third is also a biased coin that comes up tails 40% of the times. One of the three coins is chosen at random and tossed, and it shows heads. What is the probability that it was the two-headed coin? (View Answer Video)
Question 1 : Differentiate w.r.t.x the function , for some constant a and b. (View Answer Video)
Question 2 : Differentiate the function with respect to x. (View Answer Video)
Question 3 : Differentiate the function w.r.t.x . (View Answer Video)
Question 4 : If and
, find
. (View Answer Video)
Question 5 : Differentiate the function w.r.t.x . (View Answer Video)
Question 1 : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)
Question 2 : Find if the vectors
and
are coplanar. (View Answer Video)
Question 3 : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)
Question 4 : If and
are two equal vectors, then write the value of
(View Answer Video)
Question 5 : Write the position vector of the point which divides the join of points with position vectors and
in the ratio 2:1. (View Answer Video)
Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)