A car is traveling at uniform speed. The driver sees a milestone showing a two digit number which is a perfect square, after traveling for an hour the driver sees another milestone with the same digits in reverse order and after another hour the driver sees another milestone containing the same two digits as part of a three digit number. What is the speed of the car?  Choose the correct choice.
A) 30 kmph
B) 40 kmph
C) 50 kmph
D) 60 kmph
E) 45 kmph
first milestone driver see is 16,second is 61,&amp;third is 106.   so total distance traveled by him=106-16= 
<gadget id="calculator">106-16</gadget>
<output>90</output>
90km   time taken=2h   so speed=distance/time=90/2= 
<gadget id="calculator">90/2</gadget>
<output>45</output>
45kmph   ANSW45 kmphR:45 kmph
<result>E</result>
A car is traveling at uniform speed. The driver sees a milestone showing a two digit number which is a perfect square, after traveling for an hour the driver sees another milestone with the same digits in reverse order and after another hour the driver sees another milestone containing the same two digits as part of a three digit number. What is the speed of the car?