13
112
116
12
Correct answer is B
The sum of 2 16 and 2712
= 136 + 3112
= 13×2+3112
= 26+3112
= 5712
What should be subtracted from 5712 to give 314
5712 - y = 314
: y = 5712 - 314 = 5712 - 134
y = 57−3×1312 = 57−3912
y = 1812
y = 32 or 112
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