Latest Orkut Aptitude Question SOLUTION: Q. In a game, the 1st person tosses a coin. If the outcome is head, he throws a dice and the result is recorded as his score and he gets one more chance to toss the coin. If the ou

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(#M40003568) ORKUT question Toss and dice Keep an EYE

Q. In a game, the 1st person tosses a coin. If the outcome is head, he throws a dice and the result is recorded as his score and he gets one more chance to toss the coin. If the outcome is tail then the next person gets a chance to toss the coin. What is the probability that a person scores 35 points after 6 tosses in this game?

Option
a) (1/32)(1/6)^5
b) (1/32)(1/6)^6
c) (1/64) (1/6)^6
d) (1/64) (1/6)^5

Asked In Orkut Atul (13 years ago)

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Dr.Dipin Singh  (13 years ago)

4) (1/64) (1/6)^5

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Ashish   (13 years ago)

probability of head or tail is: 1/2
And Sample Space is: 6^6
so , Probability of Scoring 35 point can be achieved when he get head atleast 5 times, so prob= (1/2*1/2*1/2*1/2*1/2*1/2)/6^6

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Rakesh Kumar Kohli  (13 years ago)

Ans. 3) (1/64) (1/6)^6

Probability of getting head or tail by throwing coin is: 1/2
Probability of getting each number by throwing dice is : 1/6
For scoring 35 point the person should get 5 times six and 1 time five in six throws of dice.
So probability of scoring 35 points after tosses is : (1/2)^6 * (1/6)^6
= (1/64) (1/6)^6

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Chirag Ranjan Lahiri  (10 years ago)

(1/64) (1/6)^5

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