Question

Ranjana studied for $\raisebox{1ex}{$11$}\!\left/ \!\raisebox{-1ex}{$18$}\right.$ hours ,whereas her brother Roshan studied for $\raisebox{1ex}{$7$}\!\left/ \!\raisebox{-1ex}{$12$}\right.$hours on a particular day.Who studied for a shorter time?

Answer 1

Using cross multiplication method

$11\times 12>18\times 7$

$\raisebox{1ex}{$11$}\!\left/ \!\raisebox{-1ex}{$18>{\displaystyle \raisebox{1ex}{$7$}\!\left/ \!\raisebox{-1ex}{$12$}\right.}$}\right.$