The method that we learn in school is a long multiplication method. But this method is very time consuming. SO let’s learn a much faster way to multiply a 2-digit number by 11. Step 1 - Write 3 and 6 ...

SSC CGL 2022 Maths Tips & Tricks: Know the short tips and tricks to prepare for the SSC CGL Maths section. Get details related to the important topics that are going to be asked in the SSC CGL 2022 ...

Calculators are awesome, but they’re not always handy. More to the point, no one wants to be seen reaching for the calculator on their mobile phone when it’s time to figure out a 15 percent gratuity.

A number is divisible by 9 if the sum of its digits is greater than or equal to 9. 621 (6+2+1=9), for instance, is divisible by 9. Simply move the decimal point one place to the left to find the 10% ...

Late Shakuntala Devi, known for her ability to make complex mental calculations, extracted the 23rd root of a 201-digit number mentally in the year 1977. Shakuntala Devi demonstrated the ...