A train is moving with uniform speed crosses two tunnels of lengths 270 metres and 450 metres in 12 seconds and 15 seconds respectively. What is the speed (in km/hr) of the train?
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A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
CDE, HIJ, MNO, ?
If ax - 4y = -6 has a slope of -3/2. What is the value of a?
Which of the following physical quantity measures the rate of work done?
Which of the following changes when a body performs uniform circular motion?
American astronaut Scott Joseph Kelly commanded the International Space Station Consecutively for 340 days on ___.
Echocardiogram is more closely related to
The metal that can be cut with a knife is
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