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ISRO | ISRO CS 2013 | Question 13

  • Last Updated : 20 Nov, 2018
Geek Week

The number 1102 in base 3 is equivalent to 123 in which base system?
(A) 4
(B) 5
(C) 6
(D) 8


Answer: (B)

Explanation: Let us consider the base be ‘x’.
(1102)3 = (123)x
= 1x3x3x3 + 1x3x3 + 2 = 1x2 + 2x + 3
= 27 + 9 + 2 = 1x2 + 2x + 3
= x = 5
Correct option is (B)


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