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Divisibility and Remainder Sufficiency
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GMAT
DI.113 Divisibility and Remainder Sufficiency
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Data sufficiency. a is an integer. Is a divisible by 20? (1) a
2
is divisible by 100. (2) a is even.
A
Statement (1) alone is sufficient to answer whether a is divisible by 20 from square divisibility and parity; statement (2) alone is not.
B
Statement (2) alone is sufficient to answer whether a is divisible by 20 from square divisibility and parity; statement (1) alone is not.
C
Statements (1) and (2) together are sufficient to answer whether a is divisible by 20 from square divisibility and parity, but neither statement alone is sufficient.
D
Statements (1) and (2) together are not sufficient to answer whether a is divisible by 20 from square divisibility and parity.
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