Required time $t$ for non-stop Dhaka→Singapore (2900 km) flight against the headwind satisfies...

Question

Accepted Answer

$t \ge \frac{2900}{440}$

Answer

$t \le \frac{2900}{440}$

Answer

$t = \frac{2900}{500}$

Answer

$t > \frac{2900}{500}$

Required time ttt for non-stop Dhaka→Singapore (2900 km) flight against the headwind satisfies...