CAT 2018 Time, Speed and Distance Question (Hard)

Question

Points A and B are 150 km apart. Cars 1 and 2 travel from A to B, but car 2 starts from A when car 1 is already 20 km away from A. Each car travels at a speed of 100 kmph for the first 50 km, at 50 kmph for the next 50 km, and at 25 kmph for the last 50 km. The distance, in km, between car 2 and B w

Accepted Answer

Step 1 Time Gap Between Cars Car 1 travels 20 km at 100 kmph time 20 100 0.2 hours 12 minutes So Car 2 starts 0.2 hours later. --- Step 2 Total Time for Car 1 to Reach B - First 50 km at 100 kmph 0.5 hours - Next 50 km at 50 kmph 1 hour - Last 50 km at 25 kmph 2 hours Total time 0.5 1 2 3.5 hours --

CAT 2018

Quantitative

Time, Speed and Distance

Hard

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