Question 1080449: Hank has 6 coins in his pocket 1 quarter 2 dimes 3 nickels if hank takes two coins from his pocket at the same time without looking what is the total number of coin combination possible
Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113)   (Show Source):
You can put this solution on YOUR website! N = nickel, D = dime, Q = quarter
combinations --> order doesn't matter
possible combos of 2 coins: NN, ND, NQ, DD, DQ
**(fixed, you can pick two of the same coin)
Answer by ikleyn(52806)  (Show Source):
You can put this solution on YOUR website! .
The solutions by @CubeyThePenguin is INCORRECT.
I came to bring you the correct solution.
If consider DIFFERENT TYPES of coins in combinations, then there are the following combinations
Q D
Q N
D N
D D
N N
In all, 5 different combinations of TYPES of coins are possible.
Ignore the post by #Penguin, since it is T O T A L L Y W R O N G.
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