A car after covering 1/2 of a journey of 100 km develops engine trouble and later travels at 1/2 of its original speed. As a result, it arrives 2 hours late than its normal time. What is the normal speed of the car is?
Select the correct option:
A) 8	B) 6	C) 1	D) 2	E) 9
[50/x + 50/(x/2)] – 100/x = 2   x = 25   Answer:2
<result>D</result>
A car after covering 1/2 of a journey of 100 km develops engine trouble and later travels at 1/2 of its original speed. As a result, it arrives 2 hours late than its normal time. What is the normal speed of the car is?