A number is chosen at random from the nu...

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 ?

Text Solution

Verified by Experts

The correct Answer is:

`(19)/(30)`

Topper's Solved these Questions

PROBABILITY
KUMAR PRAKASHAN|Exercise Question of Module|9 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

An integer is chosen at random from first 200 natural numbers. What is the probability that the integer chosen is divisible by 6 or 8 ?

The three urns having the numbers of white and black balls are given below : The probability of chosing every urn is equl. A ball is chosen randomly from the urn is found to be white. Then find the probability that the ball chosen was that form urn-2.

A letter is chosen at random from the English alphabet. Then, the probability that the chosen letter is a vowel is ..........

What is the probability that in a leap year chosen at random will contain 53 Sunday?

One number is selected from first 120 natural number .then probability of an event that selected number is multiple of 5 or 15 is …. .

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

Activity: Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.

If three distinct numbers are chosen randomly from the first 100 natural numbers, then the probability that all three of then are divisible by 2 or 3, is

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

KUMAR PRAKASHAN-PROBABILITY-PRACTICE WORK

Three squares of chess board are selected at random. Find the probabil...
Text Solution
|
What is the probability that in a leap year chosen at random will cont...
Text Solution
|
A and B are mutually exclusive event. If P(A)=(1)/(4),P(B)=(2)/(5) and...
Text Solution
|
A die is thrown twice. What is the probability that at least one of th...
Text Solution
|
A, B and C are mutually exclusive and exhaustive events. If P(B)=(3)/(...
Text Solution
|
Following Vann diagram show the probabilities of three events. Fi...
Text Solution
|
Find the probability of getting almost two tails or at least two heads...
Text Solution
|
A number is chosen at random from the numbers 20 to 50. What is the pr...
Text Solution
|
A basket contains 15 guava and 12 banana. Out of which 5 guava and 7 b...
Text Solution
|
If A and B are mutually exclusive events, P(A) = 0.35 and P(B)= 0.45, ...
Text Solution
|
Find the probability that when a hand of 7 cards is drawn from a well ...
Text Solution
|
In an interview for a job, 5 boys and 3 girls appeared. If 4 persons a...
Text Solution
|
A box contains 8 red, 3 white and 9 black balls. If three balls are dr...
Text Solution
|
A group consists of 3 men, 2 women and 4 children. If four persons are...
Text Solution
|
An integer is chosen at random from first 200 natural numbers. What is...
Text Solution
|
The probability that a student will receive A, B, C or D grade are 0.4...
Text Solution
|
A and B are mutually exclusive events. P(A)=0.28, P(B)=0.38, then find...
Text Solution
|
Without repetition of the numbers, four digit numbers are formed with ...
Text Solution
|
Three of six vertices of a regular hexagon are chosen at random. What ...
Text Solution
|
Two dice are thrown together. What is the probability that sum of the ...
Text Solution
|