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The Brainliest Answer!
2015-01-31T20:11:08+05:30
It is 11 Sum=1+1=2 Product=1×1=1 So this satisfies given data
1 5 1
2015-01-31T20:17:40+05:30
11 because 1+1 = 2  but 1×1 = 1
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