A 1200 m long train crosses a tree in 120 sec, how much time will I take to pass a platform 900 m long? Pick one.
A) 266 Sec
B) 210 Sec
C) 776 Sec
D) 166 Sec
E) 997 Sec
L = S*T   S= 1200/120= 
<gadget id="calculator">1200/120</gadget>
<output>10</output>
10 m/Sec.   Total length (D)= 2100 m   T = D/S   T = 2100/10= 
<gadget id="calculator">2100/10</gadget>
<output>210</output>
210 Sec   Answer: 210 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 900 m long?