A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 700 m long?  Choose the most appropriate option.
A) 180 sec	B) 190 sec	C) 170 sec	D) 175 sec	E) 185 sec
L = S*T   S= 1200/120= 
<gadget id="calculator">1200/120</gadget>
<output>10</output>
10 m/Sec.   Total length (D)= 1900 m   T = D/S   T = 1900/10= 
<gadget id="calculator">1900/10</gadget>
<output>190</output>
190 Sec   ANSWER:190 sec
<result>B</result>
A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 700 m long?