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?
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?
Please revise these concepts from your study material:
1. Divisibility rules
2. LCM and HCF
We will do questions on these first...
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.