CAT Preparation Revision Quant ----Numbers

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Hi All, I will like to start from Numbers and revise all the concepts related to it.We can do it for every chapter gradually. The target will be one chapter a day.Please comment if you are willing.
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A natural number N, when divided by D, leaves a remainder of 17. When 3N is divided by D if the remainder is 7, what is the remainder when 8N is divided by D?

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A set of consecutive natural numbers beginning with 1 is written on the board. A student came along and wrote one of these numbers one more time and found the average of the numbers written on the board as 40 20/27. What was the number that was written twice on the board?

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Please revise these concepts from your study material:

1. Divisibility rules

2. LCM and HCF 

We will do questions on these first...

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Hi All, I will like to start from Numbers and revise all the concepts related to it.

We can do it for every chapter gradually. The target will be one chapter a day.

Please comment if you are willing.

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Write a comment...