How to multiply 2,3,4,5 or 6 digit numbers to 11 ? Watch the video and learn the tricks to do the calculation faster. In competitive exams students have to do percentages calculations, so when you have to increase a certain number by 10 % then actually you are multiplying that number by 1.1 so if you know the trick to multiply any number with 11 then you can find 10 % increased number easily.
Practice now !
