Question

You drive to the store at 20 kmph and return by the same route at 30 kmph. Discounting the time spent at the store, what was your average speed ?
A) 25 kmph
B) 24 kmph
C) 26 kmph
D) 22 kmph

Answer 1

$\huge{Hey Mate!!!}$

☆☞ Here is ur answer ☜☆

✔✔ Average speed=total distance/total time

Let distance to store be  K

then, total time =(K/20)+(K/30)=K/12
and, total time =(2K)

so average speed= 2K / (K/12) = 24kmph.

HOPE IT HELPS!