No.  Problems & Solutions [Click Solution link to bring up the solutions page] 

01. 
When 4 coins are tossed simultaneously. Find the probability to get 2 heads and 2 tails.
The probability of having atleast one tail in 4 throws with a coin is Find the probability of getting head in all the four times, when a coin is tossed four times A coin whose faces are marked 3 and 5 is tossed 4 times. The odds against the sum of the numbers thrown being less than 15 are
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In the experiment of tossing an unbiased coin, there are two possible elementary events:
The event of getting a HEAD The event of getting a TAIL. 
02. 
The probability of getting 2 heads and 3 tails when a coin is tossed 5 times is
Find the probability of getting two heads when tossing 5 coins. Five coins whose faces are marked 2, 3 are thrown. The chance of obtaining a total of 12 is When an unbiased coin is tossed five times, the probability of getting head at least once is An unbiased coin is tossed five times. Find the probability of getting atleast one tail. The odds in favour of getting at least one tail is A coin is tossed 5 times. Find the probability for the tail to present itself for 3 or 5.
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03. 
The number of possible out comes when a coin is tossed 6 times is
The probability of getting exactly 2 tails in 6 tosses of a fair coin is
Six coins are tossed simultaneously. The probability of getting at least 4 heads is Six coins are tossed once. The probability of getting at least one head is Six coins are tossed simultaneously. Find the odds in favour of getting 2 heads Find the probability of getting 2 heads when tossing 6 coins.
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04. 
The number of exhaustive events in tossing a coin 7 times is
Seven coins are tossed the probability of getting six or more heads is Find the probability of getting two heads when tossing seven coins Find the probability of getting atmost 4 heads when tossing seven coins
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05. 
8 coins are tossed simultaneously. The probability of getting at least 6 heads is
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06. 
A fair coin is tossed 100 times. The probability of getting tails an odd number of times is
A coin is tossed 10 times. The probability of getting tails an odd number of times is When 10 coins are tossed. The probability of getting 5 heads is If a coin is tossed n times. What is the probability that the tail will present itself an odd number of times If a coin is tossed n times. The probability that the head will present itself an odd number of times is A coin is tossed 2n + 1 times. The probability getting head at most n times is
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No.  Problems for Practice 

01. 
Ans [1/2] 
02. 
The probability of getting three heads and two tails when a coin is tossed 5 times is
The probability of getting exactly three heads when 5 unbiased coins are tossed is Five coins whose faces are marked 3, 4 are thrown. The chance of obtaining a total of 18 is
Ans [0] 
03. 
Ans [1] 
Author Credit : The Edifier 