Home
Class 11
MATHS
Three numbers are chosedn from 1 to 20 ....

Three numbers are chosedn from 1 to 20 . Find the probability that they are not consecutive

A

`(186)/(190)`

B

`(187)/(190)`

C

`(188)/(190)`

D

`(18)/(""^(20)C_(3))`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (True/False)|7 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Fillers)|5 Videos

  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Long Answer Type Questions)|8 Videos

  • PRINCIPLE OF MATHEMATICAL INDUCTION

    KUMAR PRAKASHAN|Exercise NCERT EXEMPLAR PROBLEMS (QUESTION OF MODULE )|11 Videos

  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise Solutions of NCERT Exemplar Problems (Question of Module)|16 Videos

Similar Questions

Explore conceptually related problems

A number is selected from numbers 1, 2, 3, 4 and another number is selected from numbers 1, 5, 6, 12. Find the probability that the product of two numbers selected is less than 12.

A person has 21 tickets with numbered 1 to 21. Three tickets are selected from it at random. Find the probability of an event that numbers of selected three tickets are in A.P.

A number is chosen at random from the numbers 20 to 50. What is the probability that the number chosen is a multiple of 3 or 5 or 7 ?

The integer is selected at random from 1 to 25. The probability that it is a prime number is

A number is selected at random from the first 25 natural numbers. If it is a composite number, then it is divided by 6. But if it is not a composite number, it is divided by 2. Find the probability that there will be no remainder in the division.

3 distinct integers are selected at random form 1, 2, 3, …, 20. find out the probability that the sum is divisible by 5

A bag contains 8 red and 5 white balls. Three balls are drawn at random. Find the Probability that All the three balls are white

Out of 3n consecutive integers, three are selected at random. Find the probability that their sum is divisible by 3.

3 integers are selected from the numbers 1 to 20. Then ........ is the probability that their product is an even number.

Three points P, Q and R are selected at random from the cirumference of a circle. Find the probability p that the point lie on a semi-circle