A train 300 m long, running with a speed of 90 km/hr will pass a tree in?
Choose the correct option:
A) 17 sec B) 16 sec C) 18 sec D) 14 sec E) 12 sec
Speed = 90 * 5/18= 
<gadget id="calculator">90 * 5/18</gadget>
<output>25</output>
25 m/sec   Time taken= 300 * 1/25= 
<gadget id="calculator">300 * 1/25</gadget>
<output>12</output>
12 sec   Answer: 12 sec
<result>E</result>
A train 300 m long, running with a speed of 90 km/hr will pass a tree in?