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Source: GMAT Paper Test
Is the integer x a multiple of 10?
(1) When x is divided by 5, the result an even integer.
(2) x + 20 is a multiple of 10.
The OA is D.
Statement 2 : x + 20 can be 10, 20, 30, 40...
So x can be -10, 0, 10, 20, 30...
Can we say that -10 and 0 are also multiples of 10? or just my reasoning above is incorrect?
Is the integer x a multiple of 10?
(1) When x is divided by 5, the result an even integer.
(2) x + 20 is a multiple of 10.
The OA is D.
Statement 2 : x + 20 can be 10, 20, 30, 40...
So x can be -10, 0, 10, 20, 30...
Can we say that -10 and 0 are also multiples of 10? or just my reasoning above is incorrect?
