SSC CGL 2014 Tier 1 20 July First Sitting

Question 178

An aeroplane covers a distance at a 340 kmph in 8 hours. To cover the same distance in 2 2/3 hours, it must travel at what speed ?

Solution

Distance = (340 x 8) = 2720 km.
Speed = Distance/Time
Speed = 2720/(8/3) km/hr. [We can write 2 $$\frac{2}{3}$$ hours as 8/3 hours]
Required speed = 1020 km/hr
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