(GATE) Graduate Aptitude Test in Engineering Practice Test
✕
📝 GATE Practice Tests
Control Systems
Core Engineering
Core Subject Knowledge & Technical Concepts
Databases
Digital Logic
Engineering Mathematics & Analytical Skills
Operating Systems
Theory of Computation
General Aptitude & Logical Reasoning
Networks
Problem Solving Techniques & Application Skills
Signal Processing
📖 GATE Study Guides
Graduate Aptitude Test in Engineering (GATE)
🎥 GATE Videos
GATE (Graduate Aptitude Test in Engineering) Exam Guide
Graduate Aptitude Test in Engineering
Videos
GATE Practice Test Video Answers
☰
(GATE) Graduate Aptitude Test in Engineering Practice Test
▶
GATE GATE Theory of Computation
Free · Instant Results
Which of the following languages is NOT regular?
A
All strings over {a,b} with even length
B
All strings over {a,b} starting with 'a'
C
{a^n b^n | n ≥ 1}
D
All binary strings ending in '01'
▶ Start Practice Test