UGC NET Number systems Previous Year Questions
JRFSmart holds 37 previous-year questions on Number systems from UGC NET Paper 1 (Teaching and Research Aptitude), filed under Unit 8: Information and Communication Technology (ICT), drawn from 37 of the 87 exam papers in the bank (2018–2026). Each question can be practised with a full explanation and shows how often NTA has returned to the same idea.
What is asked in Number systems
The questions in this topic fall under these subtopics, ordered by how many previous-year questions each has.
| Subtopic | Questions |
|---|---|
| Base conversion | 6 |
| Fractional base conversion and ordering | 5 |
| Base conversion and ordering | 4 |
| Converting between bases | 3 |
| Octal addition | 2 |
| Equivalence across bases | 2 |
| Hexadecimal addition | 2 |
| Checking base conversions | 2 |
| Decimal to binary | 1 |
| Hexadecimal and decimal conversion | 1 |
| Binary and decimal conversion | 1 |
| Binary and hexadecimal conversion | 1 |
NTA repeat analysis
Number systems appears in 37 of 87 papers (43%), which JRFSmart rates as high frequency.
2 questions use a question template that NTA has set again with a key word changed, so read the changed word carefully.
Sample previous-year questions
If (L)_M represents a number L in base-M number system, then identify the correct descending order of the following numbers A-D when converted to decimal number system. A. (20003.2) base 4 B. (111111.11) base 2 C. (732.2) base 8 D. (C2.6) base 16 Choose the…
If (L)_M represents a number L in base M number system, then identify the correct ascending order of the following numbers A-D, when converted to decimal number system. A. (333.2) base 4 B. (111111.11) base 2 C. (77.2) base 8 D. (3F.6) base 16 Choose the…
If (L)_M represent a number L in base-M number system, then identify the correct descending order of the following numbers A-D when converted to decimal number system. A. (30002.2) base 4 B. (100000.11) base 2 C. (666.2) base 8 D. (D5.6) base 16 Choose the…
If (L)_M represents a number L in base-M number system, then which of the following numbers are equivalent to (AD) base 16 ? A. (255) base 8 B. (10101101) base 2 C. (173) base 10 D. (1141) base 5 Choose the correct answer from the options given below :
Computer System supports which of the following number systems? A. Roman Number B. Octal Number C. Hexadecimal Number D. Vedic Number E. Decimal Number Choose the correct answer from the options given below:
If (L)_M represents a number L in base-M number system, which of the numbers A-D given below are equivalent to (BD)_16 ? A. (275) base 8 B. (10111101) base 2 C. (189) base 10 D. (1223) base 5 Choose the correct answer from the options given below :
If (L)M represents a number L in base-M number system, then identify the correct descending order of the following numbers A-D when converted to decimal number system. (A) (10110.11)2 (B) (110.2)4 (C) (32.5)8 (D) (14.6)16 Choose the correct answer from the…
If (L)M represents a number L in base-M number system, then identify the correct ascending order of the following numbers A-D when converted to decimal number system. A. (11001.11)2 B. (123.2)4 C. (31.5)8 D. (19.6)16 Choose the correct answer from the…
Showing 8 of 37 questions, without answers. Practise the full set with options, the official answer and JRFSmart's explanations.
Practise Number systems
All 37 questions, one topic, with explanations and repeat data. One topic in every unit is free.
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