Question

A train is travelling at a rate of 45 km/hr. How many seconds, it will take to cover a distance of 4/5 km?.

• A. 36 second
• B. 64 second
• C. 90 second
• D. 120 second

Answer 1

Answer: (B)

64 second

Speed $=45km/h$

Distance $=4/5$

$t=\frac{\frac{4}{5}\times 1000}{45\times \frac{5}{18}}$

$t=\frac{4}{5}\times \frac{1000\times 18}{45\times 5}=4\times 8\times 2$

$t=64\sec .$