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There are numbers from 1 to 100. A number is chosen at random, the probability that the sum of the digits of the chosen number 9 is
Choice (c) is correct. Since each number is equally likely to be chosen so, the sample space has 100 (equally likely) sample points. Following are the 10 favourable sample points or outcomes: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90 Thus, the required probability = 10/100 = 1/10 This question relatedRead more
Choice (c) is correct.
Since each number is equally likely to be chosen so, the sample space has 100 (equally likely) sample points.
Following are the 10 favourable sample points or outcomes:
9, 18, 27, 36, 45, 54, 63, 72, 81, 90
Thus, the required probability = 10/100 = 1/10
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14
If seven persons are to be seated in a row, then the probability that two particular persons sit next to each other is
Choice (c) is correct. If two particular persons sit next to each other then they are considered as a group. So, number of permutations of 7 persons when two particular persons sit together = 6! × 2!/ 7! = 6! × 2! × 1/7 × 6! = 2/7 This question related to Chapter 14 maths Class 11th NCERT. From theRead more
Choice (c) is correct.
If two particular persons sit next to each other then they are considered as a group. So, number of permutations of 7 persons when two particular persons sit together = 6! × 2!/ 7! = 6! × 2! × 1/7 × 6! = 2/7
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14
A box contain 5 red marble, 15 blue marbles and 25 green marbles. 5 marble are drawn at random from the box, the probability that all will non green is
Choice (c) is correct. Total number of marbles in the box = 5 + 15 + 25 = 45 Number of non-green marbles = 5 + 15 = 20 Probability (all marbles are non-green) = ²⁰C₅/⁴⁵C₅ This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your undeRead more
Choice (c) is correct.
Total number of marbles in the box = 5 + 15 + 25 = 45
Number of non-green marbles = 5 + 15 = 20
Probability (all marbles are non-green) = ²⁰C₅/⁴⁵C₅
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14
A has 4 shares in a lottery containing 5 prizes and 6 blanks, the probability of winning a prize by A is
Choice (a) is correct. This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14
Choice (a) is correct.
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14
Let E₁ = {1, 3, 5} and E₂ = {2, 4, 6} be the events associated with the experiment of rolling a die then which one of the following is true:
Choice (a) is correct. E₁ and E₂ are mutually exclusive events because they are disjoints sets. This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding. For more please visit here: https://www.tiwariacademy.com/ncert-Read more
Choice (a) is correct.
E₁ and E₂ are mutually exclusive events because they are disjoints sets.
This question related to Chapter 14 maths Class 11th NCERT. From the Chapter 14: Probability. Give answer according to your understanding.
For more please visit here:
See lesshttps://www.tiwariacademy.com/ncert-solutions/class-11/maths/#chapter-14