M L Aggarwal Solutions for Chapter: Probability, Exercise 3: Multiple Choice Questions

One ticket is drawn at random from a bag containing tickets numbered $1$ to $40$ . The probability that the selected ticket has a number which is a multiple of $5$ is

If a number is randomly chosen from the numbers $1,2,3,4,...,25$, then the probability of the number to be prime is

A box contains $90$ cards numbered $1$ to $90$ . If one card is drawn from the box at random, then the probability that the number on the card is a perfect square is

If a (fair) coin is tossed twice, then the probability of getting two heads is

If two coins are tossed simultaneously, then the probability of getting at least one head is

Lakshmi tosses two coins simultaneously. The probability that she gets at most one head is

The probability of getting a bad egg in a lot of $400$ eggs is $0.035$. The number of bad eggs in the lot is

A girl calculates that the probability of her winning the first prize in a lottery is $0.08$. If $6000$ tickets are sold, how many tickets she has bought?