2 sizes, 4 colours
since it is always for same sizes
working for any one size:
4 ways for same colours
4C3 ways in different colours = 4
any one size = 4+4 = 8
as 2 sizes, 8*2 = 16
-------------------------
Manu
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Source: Beat The GMAT — Problem Solving |
Let me take that back.It will be 16
size1
B G Y P
size2
B G Y P
From size1:
same size different color packages(different packages and ORDER OF COLORS DONT MAKE A DIFFERENCE) will be 4(BYG,YGP,PBG,BYP)
From size2:
same size different color packages will be 4(BYG,YGP,PBG,BYP)
From size1:
same size same color packages will be 4 (BBB,YYY,PPP,GGG)
From size2:
same size same color packages will be 4(BBB,YYY,PPP,GGG)
Add all u get 16
size1
B G Y P
size2
B G Y P
From size1:
same size different color packages(different packages and ORDER OF COLORS DONT MAKE A DIFFERENCE) will be 4(BYG,YGP,PBG,BYP)
From size2:
same size different color packages will be 4(BYG,YGP,PBG,BYP)
From size1:
same size same color packages will be 4 (BBB,YYY,PPP,GGG)
From size2:
same size same color packages will be 4(BBB,YYY,PPP,GGG)
Add all u get 16
Let me take that back.It will be 16
size1
B G Y P
size2
B G Y P
From size1:
same size different color packages(different packages and ORDER OF COLORS DONT MAKE A DIFFERENCE) will be 4(BYG,YGP,PBG,BYP)
From size2:
same size different color packages will be 4(BYG,YGP,PBG,BYP)
From size1:
same size same color packages will be 4 (BBB,YYY,PPP,GGG)
From size2:
same size same color packages will be 4(BBB,YYY,PPP,GGG)
Add all u get 16
size1
B G Y P
size2
B G Y P
From size1:
same size different color packages(different packages and ORDER OF COLORS DONT MAKE A DIFFERENCE) will be 4(BYG,YGP,PBG,BYP)
From size2:
same size different color packages will be 4(BYG,YGP,PBG,BYP)
From size1:
same size same color packages will be 4 (BBB,YYY,PPP,GGG)
From size2:
same size same color packages will be 4(BBB,YYY,PPP,GGG)
Add all u get 16
