Curioustab

Home » Aptitude » Probability

A number is selected at random from the numbers 1 to 30. What is the probability that it is divisible by either 3 or 7 ?

1/30
2/30
1/25
1/2

Correct Answer: 1/30

← Previous Question Next Question→

More Questions from Probability

A fair coin is tossed 11 times. What is the probability that only the first two tosses will yield heads ?
One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn find the probability the card drawn is red.
A bag contains 6 white and 4 black balls .2 balls are drawn at random. Find the probability that they are of same colour.
A problem is given to three students whose chances of solving it are 1/2, 1/3 and 1/4 respectively. What is the probability that the problem will be solved?
Two cards are drawn at random from a pack of 52 cards.what is the probability that either both are black or both are queen?
A man and his wife appear in an interview for two vacancies in the same post. The probability of husband's selection is (1/7) and the probability of wife's selection is (1/5). What is the probability that only one of them is selected ?
In a lottery, there are 10 prizes and 25 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
Two dice are tossed. The probability that the total score is a prime number is:
What is the probability of getting 53 Mondays in a leap year?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion