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14 Jan 2019, 04:29
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What is the smallest positive integer that is evenly divisible by both 21 and 9?
A. 189
B. 126
C. 63
D. 42
E. 21
A. 189
B. 126
C. 63
D. 42
E. 21
14 Jan 2019, 04:49
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Bunuel
What is the smallest positive integer that is evenly divisible by both 21 and 9?
A. 189
B. 126
C. 63
D. 42
E. 21
A. 189
B. 126
C. 63
D. 42
E. 21
start with E, D.
E) 21...........not divisible by 9
D) 42.........Not divisible by 9.
C) 63..............7*9 = 63 and 21*3 = 63.
C is the correct answer.
eswarchethu135
14 Jan 2019, 05:15
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Going through options from bottom,
21 and 42 are not divisible by 9.
63 is divisible by both 9 and 21
OPTION: C
21 and 42 are not divisible by 9.
63 is divisible by both 9 and 21
OPTION: C
