[dropcap color=”black” background=”green” style=”rounded” size=”small”]T[/dropcap]his section is about the most fundamental topics in mathematics: Number System. What is maths all about? Numbers, off course. This unit of the website is all about numbers. Starting from absolute basics, this section provides you all the material you need to study the topic: concepts, articles, blogs and tests. Make sure you go through each and every piece in the order provided.
[dropcap color=”black” background=”green” style=”rounded” size=”small”]H[/dropcap]ow to use this section? We have simple piece of advice for you: Start with articles (provided in the index) and read them one at a time. Once you are through with an article, solve the topic tests corresponding to that topic. Once you are done with all the articles and the tests, head over to the level-wise tests. Geez, do all this work and you will be a master of the topic.
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Prime Numbers and Composite Numbers
Properties of Addition of Natural Numbers
Properties of Consecutive Integers
Divisibility Rules explained with examples
L.C.M. by Long Division Method
Another Method to calculate LCM [/one_half][one_half_last]
H.C.F. by Long Division Method
Application of Concept of Cyclicity
How to find the Unit Digit of a number
Highest Power of a prime in a Factorial
Number of zeros at the end of a factorial
Extra Problems for ‘Number of Zeros’
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Number System Topic Wise Tests for CAT 2022
Each test-name highlights the area of the test. Select the topic you wish to practice.
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BODMAS:Test 1
No. System: Decimals/Fractions Test-1
No. System: Decimals/Fractions Test-2
No. System: Divisibility Test-1
No. System: Divisibility Test-2 [/one_half][one_half_last]
No. System: LCM and HCF Test-1
No. System: LCM and HCF Test-2
No. System: LCM and HCF Test-3
No. System: LCM and HCF Test-4
No. System: Basics of Factors Test-1
No. System: Basics of Factors Test-2
No. System: Basics of Factors Test-3
No. System: Basics of Factors Test-4
No. System: Factorials & No. of Zeros Test-1
No. System: Factorials & No. of Zeros Test-2
No. System: Remainders Test-4 [/one_half_last]
Number System Level Wise Tests for CAT 2022
Number System Tests graded according to three levels.
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Level 1: Test 1
Level 1: Test 12 [/one_third][one_third]
Level 2: Test 12 [/one_third][one_third_last]
Level 3: Test 6 [/one_third_last]