Question

Sophia sets off on a walk at a speed of 6km/h. Ten minutes later, her brother danish sets off after her on his bicycle at 15 km/h. How far must Danish go to catch up with sophia?

Answer 1

Answer:6.67m

Step-by-step explanation:

distance covered  by sophia in 10min with speed of 6km/h or 100m/min is 10m

now his brother cheasing her sister, his speed with respect to sophia is 15km/h- 6km/h=9km/h or 150m/min

so time required by his brother to cover distance of 10m is 0.0667