by Wordpandit | Jan 5, 2022 | Mathematics Concepts, Number System-2022 |
How do we proceed when we are asked to check whether a composite number is divisible by a given number or not? It can be done using a simple method. Method: Step 1: factorize the number. Step 2: The number will be divisible by the composite divisor when the number is...
by Wordpandit | Jan 5, 2022 | Mathematics Concepts, Number System-2022 |
How do we proceed when we are asked to check whether a prime number is divisible by a given number or not? It can be done using the concept of seed numbers. Let’s see what this is. Method: Every odd prime number gives unit digit of 1 and 9 in two of their first 10...
by Wordpandit | Jan 5, 2022 | Mathematics Concepts, Number System-2022 |
So many times we are asked whether a given number is divisible by some number or not. How do we check that? For smaller numbers it is easier for us to answer, but what if we are asked whether 539274921294 is divisible by a random number, say 3, or 5, or 17? How do we...
by Wordpandit | Jan 5, 2022 | Mathematics Concepts, Number System-2022 |
Every year we have seen questions in CAT and other MBA entrance exams involving direct or indirect application of cubes or cube roots. It has vast applications. Therefore let’s get started with this concept. Cube of a Number: For a given number x, we define, cube of x...
by Wordpandit | Jan 5, 2022 | Mathematics Concepts, Number System-2022 |
In the previous article, we discussed squares, its importance and properties related to squares. But what are square roots? Let us learn about square roots. Definition: The square root of a number x is that number which when multiplied by itself gives x as the...