In what time will a cart 50 m long cross, if its speed be 36 km/hr?	Choose the correct choice from the following answers:	A) 25	B) 5	C) 15	D) 20	E) 30
Speed = 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 m/sec   Time taken= 50/10= 
<gadget id="calculator">50/10</gadget>
<output>5</output>
5 sec.   Answer:5
<result>B</result>
In what time will a cart 50 m long cross, if its speed be 36 km/hr?