An aeroplane flies 750 km in 40 min. Find the time taken by it to cover a distance of 900 km.
24 minutes
12 minutes
48 minutes
36 minutes
A
12 minutes
B
24 minutes
C
48 minutes
D
36 minutes
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Solution
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speed=distancetime
distance=750km
time=40min
⇒speed=75040=18.75km/min
Now to cover of distance of 900 km. we consider
distance=900km
Using the formula, we get
⇒18.75=900time
⇒time=18.75900
⇒time=48minutes
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