Time, Speed & Distance
Aptitude

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Q.

Jay started cycling along the boundaries of a square field from corner point $A$. After half an hour he reached the corner point $C$, diagonally opposite to $A$. If his speed was 8 km/hr, the area of the filed in square km is:

 A.

64

 B.

16

 C.

9

 D.

4

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Solution:
Option(D) is correct

Distance covered by Jay in \(\dfrac{1}{2}\) hr = 4 km

Therefore, side of the square = \(\dfrac{4}{2}=2\) km

Hence, Area = $2×2$ = 4 square km


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