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LCM & HCF - Number Systems | General Aptitude for GATE PSU ESE AE/JE
access_time 2026-03-18T09:38:23.851Z face Priyanka Sharma
LCM & HCF – Number Systems | General Aptitude for GATE, PSU, ESE, AE/JE LCM (Least Common Multiple) and HCF (Highest Common Factor) are important concepts in Number Systems and are frequently asked in competitive exams like GATE, PSU, ESE, AE/JE. What is HCF? HCF (Highest Common Factor) is the great...
Rules of Divisibility - Number Systems | General Aptitude for GATE PSU ESE AE/JE
access_time 2026-03-18T09:25:22.319Z face Priyanka Sharma
Rules of Divisibility – Number Systems | General Aptitude for GATE, PSU, ESE, AE/JE The Rules of Divisibility are important shortcuts in Number Systems that help you quickly determine whether a number is divisible by another number without performing full division. These rules are extremely useful f...
Unit Digit Concept - Number Systems | General Aptitude for GATE PSU ESE AEJE
access_time 2026-03-18T04:12:11.591Z face Priyanka Sharma
Unit Digit Concept – Number Systems | General Aptitude for GATE The Unit Digit Concept is one of the most important and frequently asked topics in General Aptitude and Number Systems. It helps you quickly find the last digit of large powers and calculations without solving the entire expression. Wha...