Curioustab

Home » Aptitude » Probability

A number is selected from the numbers 1,2,3,4.......25.The probability for it to be divisible by 4 or 7 is:

3/25
9/25
1/25
None of these

Correct Answer: 9/25

Explanation:

Total numbers = 25

Numbers divisible by 4 or 7 are 4, 7, 8, 12, 14, 16, 20, 21, 24 = 9

The probability (divisible by 4 or 7) = 9/25

← Previous Question Next Question→

More Questions from Probability

Four persons are to be choosen from a group of 3 men, 2 women and 4 children. Find the probability of selecting 1 man,1 woman and 2 children.
Two unbiased coin are tossed. What is the probability of getting atmost one head?
You toss a coin AND roll a die. What is the probability of getting a tail and a 4 on the die?
In a charity show tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2?
Two dice are tossed. The probability that the total score is a prime number is :
What is the probability of getting a sum 9 from two throws of a dice ?
Let K and L be events on the same sample space, with P (K) = 0.8 and P (B) = 0.6. Are these two events are disjoint ?
A fair six-sided die is rolled twice. What is the probability of getting 4 on the first roll and not getting 6 on the second roll ?
An unbiased die is rolled. Find the probability of getting a multiple of 3?
The probabiltiy that throw of two dice yields a total of 5 or 6 is:

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion