A car goes 20 metres in a second. Find its speed in km/hr [SSC-CHSL (10+2) Exam, 2015] · ABC26GN3765

Subject: General Aptitude · Chapter: Time and Distance

A car goes 20 metres in a second. Find its speed in km/hr [SSC-CHSL (10+2) Exam, 2015]

(a)18

(b)72

(c)36

(d)20

Answer

Answer (as printed): B

Explanation

1 m/sec = $\frac{18}{5} \mathrm{km} / \mathrm{ph}$ Car cover 20 metres in a second $$\therefore 20 \mathrm{m} / \mathrm{sec}=\frac{20 \times 18}{5}=72 \mathrm{km} / \mathrm{ph}$$

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