Question

. one day eesha started 30 min late from home and reached her office 50 min late while driving 25% slower than her usual speed. how much time in min does eesha usually take to reach her office from home? a) 80min b) 50min c) 60min d) 70min

Answer 1

new speed =75/100*usual speed
new time=4/3*usual time
new time-usual time=20
usual time =60 min