When a player in a certain game tossed a coin a number of times, 4 more heads than tails resulted. Heads or tails resulted each time the player tossed the coin. How many times did heads result?
(1) The player tossed the coin 24 times.
(2) The player received 3 points each time heads resulted and 1 point each time tails resulted for a total of 52 points.
DS Probability
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This is a pretty Straight forward one.
Let the number of Heads be H
Number of tails be T
Given : H=T+4
Statement 1:
------------
H+T = 24
==> T+4+T=24
==>T=10
Therefore, H=14
Sufficient
Statement 2:
------------
3H+T=52
==>3(T+4)+T=52
Solve and you can find H and T
Sufficient
OA : D
Let the number of Heads be H
Number of tails be T
Given : H=T+4
Statement 1:
------------
H+T = 24
==> T+4+T=24
==>T=10
Therefore, H=14
Sufficient
Statement 2:
------------
3H+T=52
==>3(T+4)+T=52
Solve and you can find H and T
Sufficient
OA : D
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- Master | Next Rank: 500 Posts
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