A particular number is written as 132 in radix-4 representation. The same number in radix-5 representation is …
Topic-wise GATE CS PYQs with verified steps
GATE CSE 2023 · Q32
Time
Your answerNumerical answer
Solution
Official answer: 110 (±0)
Number Representation and ArithmeticTo convert the number to radix-5 representation, first convert it to base-10 (decimal):
Next, convert to radix-5 by successive division by :
with remainder (least significant digit)
with remainder
with remainder (most significant digit)
Reading the remainders from most significant to least significant gives:
Hence, the number in radix-5 representation is 110.
Try the question first, then check your work.
Examiner trap
Convert the radix-4 number to decimal first by evaluating the polynomial , then use successive division by 5 to find its radix-5 representation.
This Number Representation and Arithmetic previous year question is Q32 of the GATE CSE 2023 paper. Find more GATE CSE PYQs on Number Representation and Arithmetic in Digital Logic, or browse all GATE CSE PYQs.
Free diagnostic
Take the 20-minute diagnostic: the 3 topics that cost you the most marks, and a rank range. Or sit 5 related Number Representation and Arithmetic PYQs now with no account.
An official question by email at 7 AM IST, with a link to its verified solution. Unsubscribe in one click.
Number Representation and Arithmetic has 33 GATE CSE PYQs across 20 papers from 2012 to 2026. 11 of them are 1-mark NAT questions like this one, and GATE CSE 2023 has 2.
How GATE tests Number Representation and ArithmeticIndependent practice explanation verified by the GateAI team. GATE is conducted by the IITs; question text follows the official paper.