A car after covering Â½ of a journey of 100 km develops engine trouble and later travels at Â½ 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? Choose the correct choice from the following.
A) 50 kmph	B) 40 kmph	C) 30 kmph	D) 25 kmph	E) 35 kmph
Explanation:   [50/x + 50/(x/2)] â€“ 100/x = 2   x = 25   ANSWER IS 25 kmph
<result>D</result>
A car after covering Â½ of a journey of 100 km develops engine trouble and later travels at Â½ 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?