Xavier Aptitude Test 2014 Paper

Question : 73 of 103

Marks: +1, -0

Two numbers,

297_B

and

792_B

, belong to base B number system. If the first number is a factor of the second number then the value of B is:

Solution:

(e) Solving by option (e)

297_{\ {B}}=19^{2} ×\ 2+19 \× 9+7=900

792_{ {B}}=19^{2} \× 7+19 \× 9+2=2700

Clearly 900, is a factor of 2700.

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