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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
A train crosses Park Street every forty-five minutes. About $15$ minutes ago, one train has crossed Park Street, and the next train will be crossing Park Street by $9:45$ am. What is the time now?
Solution
A train crosses Park Street every $45$ minutes.
One train crossed Park Street $15$ minutes ago.
So, the next train will cross after:
$45-15=30$ minutes
The next train will cross at $9:45$ am.
Therefore, the current time is:
$9:45\text{ am}-30\text{ minutes}=9:15\text{ am}$
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