One day Ramesh decided to tesh his brother how quick his brain is. So, he asked him to take a pen and paper. Then he asked to solve one mathematical problem.
You have to make 10 from 1, 2, 3 using any mathematical technique using the numbers once only. If you can do this, you will get this pen as gift. Brother tried and was successful to get the gift as he could find the answer through his intelligence.
(3)^2 + 1 = 9 + 1 = 10