A car after covering ½ of a journey of 100 km develops engine trouble and later travels at ½ 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? Pick
A) 111 B) 105 C) 888 D) 266 E) 882
x:y:z = 100:45:30   20:9:6   9 --- 27   35 --- ? =&gt; 105   Answer: 105
<result>B</result>
A car after covering ½ of a journey of 100 km develops engine trouble and later travels at ½ 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?