Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 9 (Q.No. 2)
2.
(22)4 + (101)3 - (20)5 = (x)4 + (4)x+1 where x > 4. The value of x is
Answer: Option
Explanation:
(22)4 + (10)10 - (10)10 = (22)4
Since x > 4, i.e. all the number systems with base greater than 4.
All these will contain symbol '4' which will have same value in all bases.
Converting 4 into base '4'
system 
(4)10 (10)4
Now (22)4 = (x)4 + (10)4
∴ (x)4 = (22)4 - (10)4 = (12)4
∴ x = 12.
Discussion:
1 comments Page 1 of 1.
Argha said:
5 years ago
I think the Answer is option A.
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