by Wordpandit | May 12, 2015 | Mathematics Concepts, Number System Concepts |
Application of Concept of Cyclicity How to calculate unit digit if a number contains power of a power Example 1:What will be the last digit of ${{12}^{{{23}^{45}}}}$ Solution: To find the last digit of this type of number we will start the question from the base the... by Wordpandit | May 11, 2015 | Mathematics Concepts, Number System Concepts |
Remainders: Part-5 In this article we will discuss calculating remainders that involve hefty mathematical expressions. We will discuss each and every mathematical expression one by one. Suppose we have two numbers “a” and “b”. If “a” is in form of 7n +4 and “b” is in... by Wordpandit | May 11, 2015 | Mathematics Concepts, Number System Concepts |
Remainders: Part-4 In this article, for calculating remainders we will use concept of cyclicity. Let’s take an example of questions based on concept of remainders. Example Find the remainder when 47123 is divided by 7? Solution: We will do this question step by step... by Wordpandit | May 11, 2015 | Mathematics Concepts, Number System Concepts |
Remainders: Part-3 Problem Type 1: What will be the remainder when p + q +r +… is divided by d Example What will be the remainder when 63 + 67 +81 is divided by 11 ? Solution: Instead we add up all numbers, lets do it separately 63 when divided by 11 gives 5 as... by Wordpandit | May 11, 2015 | Mathematics Concepts, Number System Concepts |
Extra Problems for ‘Number of Zeros’ Question Type Example 1: Find the number of zeros in 2145 x 5234 . Solution:When we see the question it looks like a very difficult question but this type of question involving number of zeros is very simple and can be solved in... by Wordpandit | May 6, 2015 | Mathematics Concepts, Number System Concepts |
Type : Highest power of p which divides the q! ,where p is not a prime number The approach for this type is same as that for calculating maximum power of prime in any factorial buthere first we will break p into product of primes. Lets take an example to understand...
