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Required time = Sum of the lengths of trains / Relative speed Relative speed = 52 + 38 = 90 kmph = (90 × 5)/18 = 25 m/sec Required time = (160 + 140)/25 = 300/25 = 12 seconds
‘Therm’ is the unit of –
Which of the following are examples of macro minerals?
Which of the following is/are true with respect to Amoeba?
I. It is a multi-cellular organism.
II. It takes in food using temporary finger...
Which of the following is not a vector-borne disease?
Which of the following gas usually causes explosions in coal-mines?
Which one of the following is the petroleum wax?
Which of the following elements was the last element of the Mendeleev's periodic table?
Which of the following non-metallic element shows allotropy in the liquid state?
The speed of sound is maximum in which of the following ?
Which law explains the relationship between force, mass, and acceleration?