A. 24
B. 12
C. 22.5
D. none of these
a man travels by walking 4 kmph to a certain distance followed by 3 kmph upstream a hill and returns at 6 kmph hill downstream and walks the same 4 kmph in flat and returns home. if the total time taken is 6 hrs wht is the total distance ?
a man travels by walking 4 kmph to a certain distance followed by 3 kmph upstream a hill and returns at 6 kmph hill downstream and walks the same 4 kmph in flat and returns home. if the total time taken is 6 hrs wht is the total distance ?
A. 24
B. 12
C. 22.5
D. none of these
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The ratio flat vs hill is unknown so you can’t calculate this normally. But since the average for uphill/downhill is also 4 kmph ((1.5h)/6km)), the calculation is: 6 hours * 4kmph = 24km.
x/3 + y/3 +x/4 + y/6 = 6
x/2 + y/2 = 6
x+y = 12
the total distance is 12…..x being the flat part and y
being the slope..
ans is 24..
bcos he travels x and y distance to times……