If you are preparing for any competitive exams then you know to value of time. Saving even 10 sec per question can save you considerable amount of time to solve additional questions. In this article I'll share the best square trick to quickly calculate the squares of numbers from 1 to 100.
.ugb-312f983 .ugb-heading__top-line{background-color:#00d084 !important;width:380px !important}What is square of a number ?
When any number...
