Latest TCS Aptitude Question SOLUTION: If 2 coin are tossed 5 times, what is the probability of getting 5 heads and 5 tails?

• Placement Papers
• /
• TCS
• /
• Numerical Ability
• /
• Permutation and Combination

TCS Question Papers: TCS Interview Experience(90) TCS Company Profile

(#M40017911) TCS Numerical Ability question probability Keep an EYE

If 2 coin are tossed 5 times, what is the probability of getting 5 heads and 5 tails?

Asked In TCS Sudipta Kumar Banerjee (11 years ago)

Unsolved Read Solution (2)

Is this Puzzle helpful?   (21)   (2) Submit Your Solution Permutation and Combination

Read Solution (2) :

Suman  (11 years ago)

1/11
there are 11 possibilities like
0 Heads 10 tails
1 head 9 tails
..
..
5 head 5 tails
..
..
10 head 1 tail

out of 11 outcomes, only 1 is favourable.
so prob = 1/11

Is this solution Helpfull? Yes (35) | No (9)  

Ramakrishnan Ranganathan  (11 years ago)

Probability of getting one head when two coins are tossed once is 1/4. Thus to get heads five times then the probability of not getting head in five tosses of two coins are 3/4 x 5 is 15/20 ie 3/4. Hence probability of getting 5 heads in five tosses of two coins is 1/4. Similarly getting 5 tails is 1/4. Thus the probability of getting 5 heads and 5 tails on five tossing up of two coins is 1/4x1/4 is 1/16. Ans: 1/16

Is this solution Helpfull? Yes (4) | No (8)  

Please Login to Read Solution.