Four boys were playing marbles; their names were Gary, Henry, John, and Alice. One of the boys had 9 marbles, another had 15, and each of the other two had 12. Their ages were 3, 10, 17, and 18, but not respectively. Gary shot before Henry and Alice. Alice was older than the boy with 15 marbles. Henry had fewer than 15 marbles. Alice shot before Henry. John shot after Henry. If John was 10 years old, he did not have 15 marbles. Gary and Alice together had an even number of marbles. The youngest boy was not the one with 15 marbles. If Henry had 12 marbles, he wasn't the youngest. The 10-year-old shot after the 17-year-old. How old was each boy?
?
A. John - 3, Henry - 17, Gary - 10, Alice - 18.
B. John - 10, Henry - 3, Gary - 17, Alice - 18.
C. John - 17, Henry - 18, Gary - 3, Alice - 10.
D. John - 3, Henry - 10, Gary - 17, Alice - 18.
E. John - 17, Henry - 10, Gary - 3, Alice - 18.
Answer: D
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A. 7
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A. 8
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B. 3
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C. 3
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