A box contains 20 cards numbered from 1 to 20. A card is drawn at random from the box.Find the probability that the number on the drawn card is multiple of 2 or 3.

Riya and Kajal are friends. Probability that both will have the same birthday is on the same day is:

The probability of a non-leap year selected at random contain 53 Tuesdays is:

A school has five houses A, B, C, D and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is:

Two dice are tossed simultaneously. The probability of getting a prime number on both dice is

A number is chosen at random from the numbers -5,-4,-3,-2,-1,0,1,2,3,4,5. Then the
probability that the square of this number is less than or equal to 1 is

If the probability of an event is p, the probability of its complementary event will be

Assertion (A): The probability of an impossible event is 1.
Reason (R): Let E be an event. Then 0 ≤ P (E) ≤ 1.

A bag contains 5 red balls and 3 blue balls. If a ball is drawn at random from the bag, what is the probability of getting a red ball?

Assertion (A): If a box contains 50 candies of mango and
orange flavour, and the probability of drawing out an orange
candy from the box is 0.512 then the probability of drawing
out a mango candy from the box is 0.488 .

Reason (R): P(E ) = 1 – P(E), where E is any event.

12 defective pens are accidentally mixed with 132 good ones. It is not possible to just look at pen and tell whether or not it is defective. One pen is taken out at random from this lot. Determine the probability that the pen taken out is good one

Assertion (A): Card numbered as 1,2,3….15 are put in a box and mixed, one card is than drawn at random. The probability of drawing an even number is 1/2.
Reason (R): For any event E, we have 0 ≤ P (E) ≤ 1

The probability of guessing the correct answer to certain question is p/4 .If the probability of not guessing the correct answer to same question is 3/4,the value of p is

100 cards are numbered from 1 to 100. Find the probability of getting a prime number.

A bag contains 3 red balls, 2 black balls and 4 green balls.A ball is drawn at random.What is the probability that the drawn ball is not red?

A box contains 3 red , 4 black and 7 green balls. A ball is drawn at random.Find the probability that the drawn ball is yellow.

Two dice, one blue and one gray, are thrown at the same time. Find the probability that the sum of the two numbers appearing on the top of the die is 8.

Assertion (A): If a box contains 5 White, 2 Red and 4 Black marbles. Than the
probability of not drawing a white marble from the box is 5/11.

Reason (R): P(Not E) = 1 – P(E), where E is an event

A bag contains 1000 balls numbered 1 to 1000.A ball is drawn at random.What is the probability that the ball drawn numbered either odd or even?

A box of 600 bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. Then the probability that it is non-defective bulb is: