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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
Hari covers $100 \text{ m}$ distance in $36$ seconds. Ram covers the same distance in $45$ seconds.
In a $100 \text{ m}$ race, Hari ahead from Ram is:
Solution
Speed of Hari
$=\frac{100}{36}=\frac{25}{9} \text{ m/s}$
Speed of Ram
$=\frac{100}{45}=\frac{20}{9} \text{ m/s}$
In 36 seconds (when Hari finishes race):
Distance covered by Ram
$=\frac{20}{9}\times 36$
$=80 \text{ m}$
So Hari wins by
$100-80=20 \text{ m}$
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