Maths Probability CBSE 12 Science Solutions for MCQ in English

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

Expert Teacher provides Maths Probability CBSE 12 Science Solutions for MCQ 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:

A couple has 2 children. Find the probability that both are boys, if it is known that one of them is a boy.

Solution Video in English:

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

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

Question 1 : If A and B are two events such that P(A)=0.3, P(B)=0.6 and P(B/A)=0.5, find P(AB). (View Answer Video)

Question 2 : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
All the four cards are spades?
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Question 3 : Probability of solving specific problem independently by A and B are and respectively. If both try to solve the problem, independently, then find the probability that exactly one of them solves the problem. (View Answer Video)

Question 4 : 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 5 : Three cards are drawn without replacement from a pack of 52 cards. Find the probability that the cards drawn are king, queen and jack.
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Questions from Other Chapters of CBSE, 12th Science, Maths

Vector Algebra

Question 1 : Find a vector in the direction of vector which has magnitude 21 units. (View Answer Video)

Question 2 : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C. (View Answer Video)

Question 3 : L and M are two points with position vectors and respectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally. (View Answer Video)

Question 4 : 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 5 : For given vectors,and find the unit vector in the direction of the vector a + b. (View Answer Video)

Differential Equations

Question 1 : Write the degree of the differential equation : (View Answer Video)

Question 2 : If x cos(a + y) = cos y, then prove that
Hence show that (View Answer Video)

Question 3 : Find the particular solution of the differential equation given that y = 1 when x = 0. (View Answer Video)

Question 4 : Write the degree of the differential equation (View Answer Video)

Question 5 : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes. (View Answer Video)

Relations and Functions

Question 1 : If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to, (View Answer Video)

Question 2 : Let defined as f(x) = x be an identity function. Then, (View Answer Video)

Question 3 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

Question 4 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

Question 5 : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)