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Question 1
Two unbiased coins are tossed. What is the probability of getting at least one head?
Question 2
A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective?
Question 3
Two dice are thrown one after another. What is the probability of getting two numbers whose sum is greater than 10?
Question 4
Two player A and B play an arcade video game. It is known that the probability of A winning the game is 0.62. What is the probability of B winning the game?
Question 5
When a six-sided dice is rolled, find the probability of getting a 4.
Question 6
Which of the following event has not equally likely outcomes?
Question 7
A number of coins are tossed simultaneously. The possible number of outcomes is found to be 256. Find the number of coin.
Question 8
Two dice are thrown and the sum of the numbers which comes up on the dice is noted. What is the probability that the sum is a multiple of 3?
Question 9
For an event 
which of the following is correct?
which of the following is correct? Question 10
Which of the following cannot be the probability of any event?
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Apr 4SSC & Railway
