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** : 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 2** : From a lot of 30 bulbs which includes 6 defectives, a sample of 4 bulbs is drawn at random one by one with replacement. Find the probability distribution of the number of defective bulbs. Hence find the mean of the distributions. (View Answer Video)

**Question 3** : A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail. (View Answer Video)

**Question 4** : 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?

(View Answer Video)

**Question 5** : A bag contain 2 red, 6 black and 8 green balls. A ball is drawn at random from the bag. Find the probability of black balls:

(View Answer Video)

**Question 1** : * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,

(View Answer Video)

**Question 2** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)

**Question 3** : Number of binary sets on the set is, (View Answer Video)

**Question 4** : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)

**Question 5** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 1** : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)

**Question 2** : Find the distance between the point (5, 4, -6) and its image in xy-plane. (View Answer Video)

**Question 3** : Using integration, find the area of the co-ordinates whose vertices are P(2,0), Q(4, 5) and R(6,3). (View Answer Video)

**Question 4** : Find the area of the region . (View Answer Video)

**Question 5** : Find the area of the region bounded by the curve and . (View Answer Video)

**Question 1** : Find the integral of the function . (View Answer Video)

**Question 2** : Evaluate : (View Answer Video)

**Question 3** : Find: . (View Answer Video)

**Question 4** : Evaluate : . (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)