Question
A train of length 400 m takes 15 seconds to cross a
train of length 300 m travelling at 60 km per hour from the opposite direction along a parallel track. What is the speed of the longer train, in km per hour?Solution
The correct answer is A
It '+' means ×, '–' means ÷, '×' means + and '÷' means –, compute the value of the expression:
15 + 9 × 10 ÷ 5
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Consider the given statement and decide which of the given assumptions is implicit in the statement.
Statement:
For the...
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What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x ' and
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Which of these is not related to this group?
JNR, DH...
Which diagram correctly represents the relationship of pigeons, birds, dogs?
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