Understanding One-Variable Equations A one-variable equation is an equation that contains only one variable (often represented by letters like x, y, etc.). The goal is to find the value of the variable that makes the equation true. Basic Structure A one-variable equation typically looks like this: ax + b = c Where: x is the […]
Read More →Divisibility Rule For 35 With Examples Divisibility Rule for 35 The divisibility rule for 35 is based on its prime factors, which are 5 and 7. A number is divisible by 35 if it meets the criteria for both of these factors. Here’s a detailed explanation of how to check for divisibility by 35, along […]
Read More →Divisibility Rule For 31 With Examples Divisibility Rule for 31 The divisibility rule for 31 is less straightforward than for smaller numbers, but it can be applied using a systematic approach. Here’s a detailed explanation of how to check if a number is divisible by 31, along with examples. The divisibility rule for 31 states […]
Read More →Divisibility Rule For 21 With Examples Divisibility Rule For 21 The divisibility rule for 21 is based on the fact that (21 = 3 x 7). Therefore, to determine if a number is divisible by 21, it must satisfy the divisibility rules for both 3 and 7. 1. Divisibility Rule for 3: A number is […]
Read More →Divisibility Rule For 17 With Examples Divisibility Rule for 17 The divisibility rule for 17 can be a bit more complex than for smaller numbers, but it can be applied using a specific method. Here’s how it works: Steps to Check Divisibility by 17 Take the Last Digit: Identify the last digit of the number. […]
Read More →Divisibility Rule For 11 With Examples Divisibility Rule for 11 A number is divisible by 11 if the difference between the sum of its digits in odd positions and the sum of its digits in even positions is either 0 or a multiple of 11. In above example sum of even numbers 6 + 3 […]
Read More →Divisibility Rule For 7 With Examples Divisibility Rule for 7 Determining if a number is divisible by 7 can be a bit trickier than other rules, but it can be done using a straightforward method: Rule To check if a number is divisible by 7: Take the last digit of the number. Double that last […]
Read More →Compound interest – Meaning, Formula and Solved Examples Compound interest is a way of calculating interest where the interest earned over time is added back to the principal, so that the interest in the next period is calculated on the new total (which includes the previously earned interest). This means we earn interest on the […]
Read More →Two Digit Subtraction With Examples For Kids Let’s explore two-digit subtraction with a detailed example to help kids understand the concept clearly. Example: Subtracting 24 from 56 Step 1: Write the Numbers Start by writing the numbers in columns, making sure that the tens digits line up with each other and the ones digits line […]
Read More →Basic Problems with Solutions – Profit and Loss Let’s go through some basic profit and loss problems with detailed solutions. We’ll break it down with definitions, formulas, and examples. Definitions: Profit: When the selling price of an item is higher than its cost price.Formula: Profit = Selling Price − Cost Price Loss: When the selling price of […]
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