ABC26GN3696 · Time and Distance

Subject: General Aptitude · Chapter: Time and Distance · Exam: · Marks: · Difficulty:

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

Answer (as printed): A

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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