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15 Jul 2019, 00:25
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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The operators ‘*’ and ‘+’ operate only on the numbers 0 and 1 as defined in the table. What is the value of x * y ?
(1) (x * y) + y = 1
(2) (x * y) + x = 1
Attachment:
2019-07-15_1110.png
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15 Jul 2019, 10:11
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Bunuel
The operators ‘*’ and ‘+’ operate only on the numbers 0 and 1 as defined in the table. What is the value of x * y ?
(1) (x * y) + y = 1
(2) (x * y) + x = 1
Attachment:
2019-07-15_1110.png
from given info #1
(x * y) + y = 1
possible when y =1 and x=0
x*y = 0
#2
(x * y) + x = 1
x=1 and y=0
x*y = 0
IMO D
15 Jul 2019, 18:35
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@Bunuel- Request you to explain the OA of this.
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Posted from my mobile device
