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What is the correct answer?
4
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is:
A.
50 km
B.
56 km
C.
70 km
D.
80 km
Correct Answer :
A. 50 km
Let the actual distance travelled be x km.
$Then,\frac{x}{10}=\frac{x+20}{14}$
$\Rightarrow 14x=10x+200$
$\Rightarrow 4x=200$
$\Rightarrow x=50km.$
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