JAMB Mathematics 2007 Objective — Question 1

Question 1 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

Evaluate 1011(base 2)^2 - 101(base 2)^2

A. 110(base 2)
B. 11000(base 2)
C. 110000(base 2)
D. 1100000(base 2)Correct

Explanation

1011(2) = 11 and 101(2) = 5 in base 10. 11^2 - 5^2 = 121 - 25 = 96 (base 10), which converts to 1100000 in base 2.

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