General Aptitude | Number System in One Shot | GATE | 2022

[@GATEWallahEnglish]

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[@leetcodesolutions178]

00:05 Understanding the basics and logical approach of number system for competitive exams. 02:20 Natural numbers are all numbers from 1 onwards 07:08 Understanding prime numbers and rational numbers 09:29 Rational numbers are defined as numbers that can be expressed as P by Q, where Q is not equal to 0. 14:18 Decimals can be terminating or non-terminating, and non-terminating decimals can be recurring or non-recurring. 16:38 Irrational numbers are non-terminating, non-repeating decimals 20:30 Understanding the logical approach behind number system questions is crucial. 22:34 Factorial of numbers and finding the unit's place digit 26:35 Divisibility rule of 3 and zeros in factorials 28:32 To find the number of zeros in the 100 factorial answer, we need to identify the number of hidden fives in the factorial. 32:37 Factorial of 100 has 24 fives 34:44 Shortcut to find number of zeros in factorial 38:32 Different square sizes result in different numbers of squares. 40:24 A complete chess board has 204 squares, approach questions carefully. 44:23 Understanding the cycle of unit digits in 8 powers. 46:18 To find the unit place digit, divide the power by 4 and find the remainder. 50:18 Last digit rules for quick calculations 52:24 Identifying power based on the base last digit 56:03 Divisibility rule of 2 explained 58:06 Divisibility rules for numbers 8, 4, 2 and 9 1:02:10 Understanding the concepts of Twin Prime and Co Prime is essential before learning the six divisibility rule. 1:04:04 Understanding co-prime numbers and twin prime numbers 1:08:08 Divisibility rules for numbers explained 1:10:07 Last digit and divisibility rules 1:13:55 Divisibility rules for 18, 20, 40, and 80 1:15:37 When a number is divided by 8, the remainder follows a specific pattern. 1:19:45 Explaining the limitations of a single-digit number Crafted by Merlin AI.

[@pratyushvaibhav]

Masterpiece content. Helpful for placement aptitude as well.

[@heyOrca2711]

Thank You Sir!! 16th Sept 2024 - 1:08 pm

[@ankit8789]

Sir mai class 8 me hu class 8 ke lia bhi English me class karavaia please

[@soheldatta3894]

Very nice explanation... sir loved ur explanation a lot

[@DaliSrilakshmiMojala]

Excellent sir 🎉

[@Bio_neet360]

Is this sufficient for cat ?

[@contexta857]

No