MATHS M.C.Q (1 Marks)

In a group of 20 people, 5 cannot swim. If one person is selected at random, then the probability that he/she can swim, is

The probability of happening of an event is denoted by p and the probability of non-happening of the event is denoted by q. Relation between p and q is

Which of the following numbers cannot be the probability of happening of an event?

Two coins are tossed together. The probability of getting at least one tail is

If a two digit number is chosen at random, then the probability that the number chosen is a multiple of 3, is

What is the probability that a leap year has 53 Mondays?

Two dice are rolled simultaneously. The probability that they show different faces is

Two numbers 'a' and 'b' are selected successively without replacement in that order from the integers 1 to 10. The probability that a/b is an integer, is

What is the probability that a non-leap year has 53 Sundays?

In a single throw of a pair of dice, the probability of getting the sum a perfect square is

The probability that a non-leap year has 53 Sundays, is

If a number x is chosen from the numbers 1, 2, 3, and a number y is selected from the numbers 1,4, 9. Then, P(xy < 9)

A number x is chosen at random from the numbers -3, -2, -1, 0, 1, 2, 3 the probability that |x| < 2 is

A bag contains cards numbered from 1 to 25. A card is drawn at random from the bag. The probability that the number on this card is divisible by both 2 and 3 is

In a family of 3 children, the probability of having at least one boy is

Two dice are thrown together. The probability of getting the same number on both dice is

A card is drawn at random from a pack of 52 cards. The probability that the drawn card is not an ace is

A number is selected at random from the numbers 1 to 30. The probability that it is a prime number is

If two different dice are rolled together, the probability of getting an even number on both dice, is

Two different coins are tossed simultaneously. The probability of getting at least one head is

The probability that a number selected at random from the numbers 1, 2, 3,...,15 is a multiple of 4, is

A box contains 90 discs, numbered from 1 to 90. If one disc is drawn at random from the box, the probability that it bears a prime number less than 23, is

The probability of getting an even number, when a die is thrown once is

From the letters of the word "MOBILE", a letter is selected. The probability that the letter is a vowel, is

A die is thrown once. The probability of getting a prime number is

A month is selected at random in a year. The probability that it is March or October, is

A number is selected from first 50 natural numbers. What is the probability that it is a multiple of 3 or 5?

Aarushi sold 100 lottery tickets in which 5 tickets carry prizes. If Priya purchased a ticket, what is the probability of Priya winning a prize?

The probability of an impossible event is

The probability of a certain event is

Which of the following cannot be the probability of occurrence of an event?

If P(E) = 0.05 then P(notE) =

Which of the following cannot be the probability of an event?

A number is selected from numbers 1 to 25. The probability that it is prime is

A card is accidently dropped from a pack of 52 playing cards. The probability that it is an ace is

The probability of throwing a number greater than 2 with a fair dice is

A number is selected at random from the numbers 3, 5, 5, 7, 7, 7, 9, 9, 9, 9. The probability that the selected number is their average is

A bag contains three green marbles, four blue marbles, and two orange marbles. If a marble is picked at random, then the probability that it is not an orange marble is

In a single throw of a die, the probability of getting a multiple of 3 is

If three coins are tossed simultaneously, then the probability of getting at least two heads, is

In Q. No. 1, the probability that the digit is a multiple of 3 is

In Q. No. 1, the probability that the digit is even, is

If a digit is chosen at random from the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, then the probability that it is odd, is

A number was chosen at random from first 300 three-digit natural numbers. The probability that the selected number has zero at units place is

From the letters of the word "MOBILE", if the letter is selected, what is the probability that it is a vowel?

Two dice are thrown together. The probability of getting the difference of numbers on their upper faces equal to 2, is

A girl calculates that the probability of her winning the first prize in a lottery is 0.06. If 8000 tickets are sold, then how many tickets has she bought?

The probability of getting a bad apple in a box of 400 apples is 0.035. The total number of bad apples is