Mirror WorldImagine a world inside mirror, where everything becomes reverse. Left hand becomes right hand, right...

Elementary Arithmetic  2Long ago, after learning how to add two numbers, Shakib came to know about multiplication. Multiplic...

Dilu's LibraryDilu is a young boy who loves mathematics. He recently learned how to code. He was interested in sol...

Genius Needs HelpYou all know Emrul bhai, right? He is a genius guy. He knows how to add two integer numbers and so d...

Elementary ArithmeticWhen Shakib was little, his mother used to help him with his studies. Usually, around 7 PM in the ev...
