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Learn the Divisibility Rule of Numbers for WBCS Prelims Exam

Master the Divisibility Rule for WBCS Prelims with expert guidance. Boost your mathematics skills and ace the exam with confidence.

Download PDF02 November, 2023 
Author
Raja Bhattacharjee
10 min read  |  Words: 1557

Table of Contents

  1. Basic Divisibility Rules of Numbers
  2. Divisibility rule of 9 and 11
  3. Divisibility rule of 7 and 13
  4. Examples on Divisibility Rule for Better Understanding
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Updated on: 2024-06-07 07:01:46  

Divisibility Rule FAQs

What is the divisibility rule for 24?

The divisibility rule for 24 is that a number is divisible by 24 if it is divisible by both 8 and 3. In other words, it should be an even number (divisible by 8) and the sum of its digits should be divisible by 3.

What is the divisibility rule for 27?

There is no simple divisibility rule for 27, but there is a more complex one that you can use to check if a number is divisible by 27:

  1. Subtract 8 times the units digit from the rest of the number.
  2. If the result is divisible by 27, then the original number is also divisible by 27.

What is divisibility rule of 25?

The divisibility rule for 25 is that a number is divisible by 25 if its last two digits are 25, 50, 75 or 00.

What is divisibility of 2?

The divisibility rule for 2 is that a number is divisible by 2 if its last digit is an even number (0, 2, 4, 6, or 8).

What is the weightage of Divisibility rule topic in WBCS Exams?

As per the previous year question papers of WBCS Exams, 2-3 questions are asked from the divisibility rule in the WBCS mains exam mainly.

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Raja Bhattacharjee

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Mr. Raja is the famous teacher for Quantitative Aptitude in Siliguri and co-partner at one and only thedhronas.com

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