A bike covers a certain distance at the speed of 16km/h in 2 hrs. If the bike was to cover the same distance in approximately 4 hrs, at what approximate speed should the bike travel? Choose the most appropriate option: A) 8 km/h B) 9 km/h C) 7 km/h D) 6 km/h E) 10 km/h
Ans.(A)   Sol. Total distance = 16 × 2 = 32 km   Now speed = 32/4= 
<gadget id="calculator">32/4</gadget>
<output>8</output>
8 km/h
<result>A</result>
A bike covers a certain distance at the speed of 16km/h in 2 hrs. If the bike was to cover the same distance in approximately 4 hrs, at what approximate speed should the bike travel?