Discussion :: Testing allindiaexams
- 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?
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Answer : Option D
Explanation :
[50/x + 50/(x/2)] “ 100/x = 2
x = 25
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