Question
Nisha travels the first half of her journey at a speed of
80 km/hr and the second half at the speed of ‘x’ km/hr. If her average speed for the entire trip is 50 km/hr, find the value of ‘x’.Solution
ATQ,
Average speed = (Total distance covered / Total time taken)
Let the total distance travelled by Nisha be 2D km
According to the question,
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