If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance… · ABC26GN3696
Subject: General Aptitude · Chapter: Time and Distance
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
Answer
Explanation
Let the actual distance travelled be $x \mathrm{km}$. Then, $\frac{x}{10}=\frac{x+20}{14} \Leftrightarrow 14 x=10 x+200$ $$\Leftrightarrow \quad 4 x=200 \Leftrightarrow x=50 \mathrm{km} .$$
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