How fast will you drive the car? | AcetheLife

Illustration for How fast will you drive the car?

You have decided to drive 2 Km , up and down a hill.

You drove your car for the first Km of uphill at an average speed of 15 Km/hr.

How fast you will need to drive the 2nd Km, while going down the hill to achieve 30 Km/hr of average speed for the whole distance?

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