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A constable is 114 metre behind a thief. The constable runs 21 metres per minute and the thief runs 15 metres in a minute. In what time will the constable catch the thief ?
Answer & Solution
Correct Answer:
Option
A
$$\eqalign{
& {{\text{V}}_{{\text{rel}}{\text{.}}}} = \left( {21 - 15} \right){\text{ m/min}} \cr
& \,\,\,\,\,\,\,\,\,\,\, = {\text{ 6 m/min}} \cr} $$
Time taken to catch the thief :
= $$\frac{114}{6}$$ min
= 19 min
Time taken to catch the thief :
= $$\frac{114}{6}$$ min
= 19 min
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