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If 10112 + x7 = 2510, solve for X.

If 10112 + x7 = 2510, solve for X.
  • A.
    207
  • B.
    14
  • C.
    20
  • D.
    24
Correct Answer: Option A
Explanation

10112 + x7 = 2510 = 10112 = 1 x 23 + 0 x 22 + 1 x 21 + 1 x 2o
= 8 + 0 + 2 + 1
= 1110
x7 = 2510 – 1110
= 1410
(begin{array}{c|c}
7 & 14 \ 7 & 2 R 0 \ & 0 R 2
end{array})
X = 207