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Jamia Millia Islamia Previous Year Questions (PYQs)
Jamia Millia Islamia Time And Distance PYQ
Jamia Millia Islamia PYQ
Go to Discussion
Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2019 PYQ
Rama gets an elevator at the 11th floor of a multi-storey building and rides up at the rate of 57 floors per minute.
At the same time, Somaya gets another elevator at the 51st floor of the same building and rides down at the rate of 63 floors per minute.
If they travel at these rates, at which floor will they cross each other?
Go to Discussion
Jamia Millia Islamia Previous Year PYQ Jamia Millia Islamia JAMIA MILLIA ISLAMIA MCA 2019 PYQ
Solution
Let the time after which they meet be t minutes. Rama’s position after t minutes = 11 + 57t Somaya’s position after t minutes = 51 − 63t At the meeting point: 11 + 57t = 51 − 63t ⇒ 120t = 40 ⇒ t = 1/3 minutes. Hence, floor number = 11 + 57 × (1/3) = 11 + 19 = 30.Jamia Millia Islamia
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