A person reaches his destination 40 minutes late if his speed is 3 km/hr and reaches 30 minutes before time if his speed is 4 km/hr. Find the distance of his destination from his starting point.

If Abhi travels a certain distance at 6 km/h. he reaches his destination 12 minutes early, but if he travels at 4 km/h, he reaches his destination 10 minutes late. The speed (in km/h) at which he should travel to reach his destination on time is ........

Amit travels 30 minutes at the speed of 25 km/hr. Further he travels 20 minutes at the speed of 40 km/hr. Find his average speed.

A cyclist covers 1.5 km in 5 minutes. Find his speed in km/hr.

Shri X goes to his office by scooter at a speed of 30km/h and reaches 6 minutes earlier. If he goes at a speed of 24 km/h, he reaches 5 minutes late. The distance of his office is

Amit travels 30 minutes at the speed of 25km/hr. Further he travles 20 minutes at the speed of 40km/hr. Find his average speed.