Extra questions: How many positive integers not exceeding 2001 are multiples of 3 or 4 but not 5?

To further understand the solution,
You have to understand what is venn diagram.
You have to understand what is multiple, common multiple and least common multiple
You have to understand waht is union and intersection.

How many integers is multiple of 3 or 4 but not 5

Extra question: to get the unknown point

Interesting question that worth to try. :
Extra question: to get the unknown point

Intermediate level revision chapter 16

Some solutions regarding to chicken and rabbit problem.
Please do accept the challenge!

Intermediate level revision chapter 16

UP 2011 Challenging Questions

Requested solutions from students. Please feel free to inform if you have found error s or you have  better solutions.

Question 30 is a quite challenging question. Please do try it. You may have a better solution.

Thanks.

Question 26
Question 27
Question 28
Question 29
Question 30

Page Number Problem

Please refer to the link to download the file.

Page Number Problem

Tricks in calculation

Here are some interesting tricks and example in calcuation. 

It may not fulfill all conditions. 

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MATHS IS FUN!!!

Tricks in Calculation

Tricks in Mathematics