CBSE Class 10 Maths (Standard) 2020 · Paper 30/1/1 · Question 29
In a flight of 600 km, an aircraft was slowed due to bad weather. Its average speed for the trip was reduced by 200 km/hr and time of flight increased by 30 minutes. Find the original duration of flight.
Answer
Original duration of flight hour (original speed km/hr)
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