Question

abha starts for the school at 6:45am and comes back home at 2:15 pm how long does she stay at school if 40 min are spent in going and coming

Answer 1

The time interval between $6:45$ am and $2:15pm$ = $7hrs30min$

Time spent in coming and going $=40min$

Therefore, the time spent at school $=6hrs50min$