An express A starts at 2.30 pm from nampali station and travels towards vizag station at speed of 80 kmph. Another expressstarts at 4.30 pmfrom nampali station to vizag station at speed of 100 kmph. How far awayfrom station Nampali will the two trains meet?? Choose the correct choice from the following answers
A) 600 km B) 700 km C) 750 km D) 800 km E) 900 km
Let train A take x hours to reach the point of meeting(let it be P)   Then train B will reach the same point in x-2 hours.   Distance covered to reach P by train A in x hours=Distance covered by B to reach P in x-2 hrs.   80*x=100(x-2)   80x=100x-200   x=10 hrs.   800 kmistance from Nampali=x*speed of train A   =10*80= 
<gadget id="calculator">10*80</gadget>
<output>800</output>
800 km   ANSWER:800 km
<result>D</result>
An express A starts at 2.30 pm from nampali station and travels towards vizag station at speed of 80 kmph. Another expressstarts at 4.30 pmfrom nampali station to vizag station at speed of 100 kmph. How far awayfrom station Nampali will the two trains meet??