A man can reach a certain place in 30 hours. If he reduces his speed by 1/15 th, he goes 10 km less in that… · ABC26GN3674
Subject: General Aptitude · Chapter: Time and Distance · Exam: S.S.C. 2002
A man can reach a certain place in 30 hours. If he reduces his speed by $\frac{1}{15}$ th, he goes 10 km less in that time. Find his speed.
(a)4 km/hr
(b)5 km/hr
(c)$5 \frac{1}{2} \mathrm{km} / \mathrm{hr}$
(d)6 km/hr
Answer
Explanation
Let the speed be $x \mathrm{km} / \mathrm{hr}$. Then, $30 x-30 \times \frac{14}{15} x=10 \Leftrightarrow 2 x=10 \Leftrightarrow x=5 \mathrm{km} / \mathrm{hr}$.
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