Question

Study the following graph and table carefully and answer the questions given below:
Time taken to travel (in hours) by six vehicles on two different days

Distance covered (in kilometres) by six vehicles on each day
$\begin{array}{ccc}Vehicle& Day1& Day2\\ A& 832& 864\\ B& 516& 774\\ C& 693& 810\\ D& 552& 765\\ E& 935& 546\\ F& 703& 636\end{array}$

What was the speed of vehicle C on day 2 in terms of metres per second?

• A. 15.3
• B. 12.8
• C. 11.5
• D. 13.8
• E. None of these

Answer 1

The correct option is E None of these

Speed of vehicle C on day 2 = 810/18 =45kmph
Speed of vehicle C on day 2 in metre per second
$=45\times$ $\frac{5}{18}$
$=12.5\frac{m}{sec}$