Jee Main
Motion In A Straight Line
JEE Main 2023 (Online) 30th January Evening Shift
MCQ+4 / -12023
A vehicle travels $4 \mathrm{~km}$ with speed of $3 \mathrm{~km} / \mathrm{h}$ and another $4 \mathrm{~km}$ with speed of $5 \mathrm{~km} / \mathrm{h}$, then its average speed is