A planet left 30 minutes late than its scheduled time and in order to reach the destination 1500 km away - Maths - Quadratic Equations

Question

A planet left 30 minutes late than its scheduled time and in order
to reach the destination 1500 km away in time, it had to increase
its speed by 100 km/h from the usual speed Find its usual speed

Rishabh Mittal · Accepted Answer

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A planet left 30 minutes late than its scheduled time and in order to reach the destination 1500 km away in time, it had to increase its speed by 100 km/h from the usual speed. Find its usual speed.