Maths 16 x 12 - 672 21 = ? - 211

16 x 12 - 672 21 = ? - 211 - - 16 x 12 - 672 21 = ? - 211 Maths in Gujarati,  number system  question answers in Gujarati pdf   questions in Gujarati, Know About Maths online test Maths notes in Gujarati quiz book