A 150 m long train, travelling at 54 km/h, crosses a platform in 42 seconds. What is the length of the platform?
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In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Achilles' heel
In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
Taste good food or drink and enjoy it to the full
In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.
Judicious
As a sailor jumps in the forward direction, the boat moves backwards. This example illustrates Newton's :
The man who presented India’s first-ever Budget ?
ΔXYZ is right angled at Y. If cosX = 3/5, then what is the value of cosecZ ?
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