a train 300 m long, running with a speed of 54 km / hr will pass a tree in?
Choose the correct choice from the following answers
A) 17 sec
B) 16 sec
C) 20 sec
D) 14 sec
E) 12 sec
<gadget id="calculator">54 * 1_000</gadget>
<output>54_000</output>

<gadget id="calculator">300 / 54_000</gadget>
<output>1/180 = around 0.005556</output>

<gadget id="calculator">(1/180) * 3_600</gadget>
<output>20</output>

<result>C</result>
a train 300 m long, running with a speed of 54 km / hr will pass a tree in?
multiply(divide(300, multiply(54, const_1000)), const_3600)
"speed = 54 * 5 / 18 = 15 m / sec time taken = 300 * 1 / 15 = 20 sec answer : c"