Class XII- Probability Online Test

Three digit numbers are formed using the digits 0, 2, 4, 6, 8. A number chosen at random out of these numbers. What is the probability that this number has the same digits?

Three squares of chess board are selected at random. The probability of getting two squares of one color and other of different color is

Three of the six vertices of a regular hexagon are chosen at random.

What is the probability that the triangle with these vertices is equilateral?

If A, B, C are three mutually exclusive and exhaustive events of an experiment such that 3P(A)= 2P(B)=P(C), then P(A) is equal to,

One Mapping (function) is selected at random from all the mapping of the set A= {1, 2, 3, 4, 5, ....n} into itself. The probability that the mapping selected is one to one is

In a leap year the probability of having 53 Sundays or 53 Mondays is

In a non leap year, the probability of having 53 tuesdays or 53 wednesdays is

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

While shuffling a pack of 52 cards, 2 are accidentally dropped. Find the probability that the missing cards to be of different colours


Probability is defined as a quantitative measure of uncertainty – a numerical value that conveys the strength of our belief in the occurrence of an event. The probability of an event is always a number between 0 and 1 both 0 and 1 inclusive.

This is a MCQ test of probability for class XII CBSE as well as ICSE students.

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