Question

What fraction of 2 hours is 12 seconds?

• A. $$\frac{1}{200}$$
• B. $$\frac{1}{300}$$
• C. $$\frac{1}{400}$$
• D. $$\frac{1}{600}$$

Answer 1

Answer:

$$\frac{1}{600}$$

2 hours = $2\times{60}$ min

= 120 min = $120\times{60}$ = 7200 sec

∴ Required fraction = $\frac{12}{7200}$

$=\frac{1}{600}$