$2 \text{ cm/sec}$-কে $\text{km/hr}$ -এ রূপান্তর করলে হবে—

$20 \text { km/hr}$

$10.5 \text { km/hr}$

$7.2 \text { km/hr}$

$5.5 \text { km/hr}$

Correct Answer not found