Number Systems and Base Conversion

CMAT 2021 · Quantitative Techniques & Data Interpretation · Medium · Number Systems

Given below are two statements: Statement I : (543)6(543)_6 is equivalent to (317)8(317)_8 Statement II : The last 4 bits in the binary representation of a multiple of 16 is 1000.

In light of the above statements, choose the correct answer from the options given below:

  1. A.

    Both Statement I and Statement II are true

  2. B.

    Both Statement I and Statement II are false

  3. C.

    Statement I is true but Statement II is false

  4. D.

    Statement I is false but Statement II is true

Answer

C

Explanation

For Statement I: (543)6=5×62+4×61+3=180+24+3=207(543)_6 = 5 \times 6^2 + 4 \times 6^1 + 3 = 180 + 24 + 3 = 207. (317)8=3×82+1×81+7=192+8+7=207(317)_8 = 3 \times 8^2 + 1 \times 8^1 + 7 = 192 + 8 + 7 = 207. So Statement I is true. For Statement II: Any multiple of 16 (242^4) ends with 0000 in binary representation, not 1000. So Statement II is false. Hence, Statement I is true but Statement II is false.

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