Question
Two trains 190 metres and 160 metres in length are
running towards each other on parallel tracks, one at the rate 70 km/hr and another at 56 km/hr. In how many seconds will they be clear of each other from the moment they meet?Solution
Required time = Sum of the lengths of trains / Relative speed Relative speed = 70 + 56 = 126 kmph = (126 × 5)/18 = 35 m/sec Required time = (190 + 160)/35 = 350/35 = 10 seconds
Which of the following numbers does not fit into the pattern of the series?
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Which number will replace the question mark (?) in the following series?
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If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’, and D denotes ‘÷’, then what will be the value of the following expression?
3...
Select the figure from the given alternatives, which will complete the pattern:
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