Symbol sum

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Source: — Data Sufficiency |

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by rijul007 » Wed Jan 04, 2012 10:28 pm
karthikpandian19 wrote:If N = 1234@ and @ represents the units
digit, is N a multiple of 5?
(1) @! is not divisible by 5
(2) @ is divisible by 9

(1) @! is not divisible by 5
Value of y could be 0,1,2,3 or 4

Insufficient

(2) @ is divisible by 9
Value of @ could be 0 or 9

Insufficient

Combining 2 statements
0! = 1 [not divisible by 5]
9! is divisible by 5

@ = 0


Option C

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by karthikpandian19 » Thu Jan 05, 2012 9:19 pm
OA is C