A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?	Choose the correct choice from the following answers.
A) 69.5 km/hr	B) 70 km/hr	C) 79 km/hr	D) 79.2 km/hr	E) 89.2 km/hr
Let the length of the train is x   x/8=x+264/20   on solving this we get x=176 m   Speed of the train=176/8= 
<gadget id="calculator">176/8</gadget>
<output>22</output>
22m/sec   22*18/5=396/5= 
<gadget id="calculator">396/5</gadget>
<output>396/5 = around 79.2</output>
79.2 Kmph   ANSWER:79.2 km/hr
<result>D</result>
A train moves past a telegraph post and a bridge 264 m long in 8 seconds and 20 seconds respectively. What is the speed of the train?