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Thought-Process to Discover Knowledge

Welcome to nubtrek.

Books and other education websites provide "matter-of-fact" knowledge. Instead, nubtrek provides a thought-process to discover knowledge.

In each of the topic, the outline of the thought-process, for that topic, is provided for learners and educators.

Read in the blogs more about the unique learning experience at nubtrek.

In this page, a simple overview of the divisibility test for 12 is provided. The procedure uses simplification by factors.

click on the content to continue..

If a number is given as 3xx4xx2351, will it be divisible by 12?

• cannot decide without finding the result of the given multiplication
• it is divisible by 12 as it has 3 and 4 as factors
• it is divisible by 12 as it has 3 and 4 as factors

The answer is "it is divisible by 12 as it has 3 and 4 as factors"

Test for Divisibility by 12 : If a number is divisible by 3 and 4, then the number is divisible by 12.

Is 2008 divisible by 12?

• Yes
• No
• No

The answer is "No". The number is divisible by 4 and not divisible by 3. So, it is concluded that the number is not divisible by 12.

Is 720 divisible by 12?

• Yes
• Yes
• No

The answer is "Yes". The number is divisible by 4 and 3, So, it is concluded that the number is divisible by 12.

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