Mathematics Practice Tests (SS1 – SS3) – Number Bases

Hello and Welcome to Mathematics Practice Tests - Number Bases

1. You are to attempt 5 random objectives questions ONLY.
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Add 111100 + 11111 + 10011 in base 2.

A. 1101110     B. 1110010     C. 1101111     D. 1110011

Given that 23n + 1234 = 40, find n.

A. 5     B. 4     C. 3     D. 2

Convert 3215 to a number in base 10

A. 8610     B. 7610     C. 6610     D. 5610

Given that 110n = 1020four, obtain an equation in n and hence, find the positive value of n.

A. -9     B. 8     C. 9     D. -8

If 25x = 32five, find x.

A. 2     B. 4     C. 6     D. 8

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