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A man travels from A to B at a speed of x km/hr. He then take rest at B for x hours. He then travels from B to C at a speed of 2x km/hr and rests at C for 2x hours. He moves further to D at a speed twice as that between B and C. He thus reached D in 16 hours. If distances A-B, B-C and C-D are all equal to 12 km, the time for which he could rested at B could be ?
3 hours
6 hours
2 hours
4 hours
Total time taken to reach at D:-
12/x + x + 12/2x + 2x + 12/4x = 16 hrs
After solving the Quadratic Equation, We'll get two values of x.
i.e 3 and 7/3. We have only 3 in the options. So that becomes our answer.
By: Deepak Dawra ProfileResourcesReport error
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