Exercise IX — task. Science CBSE, Class 7.

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Choose the correct answer:

A car moves with a speed of $40\ km/h$ for $15\ minutes$ and then with a speed of $60\ km/h$ for the next $15\ minutes$ . The total distance covered by the car is:

$100\ km$
$25\ km$
$15\ km$
$10\ km$

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9. Exercise IX

Exercise condition: