A woman has to walk a certain distance. She covers the first half at a speed of 5 kmph and the second half at a speed of 8 kmph. If the total time taken by her is 26 minutes, then find the total distance.
A
32 km
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B
52 km
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C
83 km
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D
43 km
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Solution
The correct option is C83 km Let the total distance be x km.
She travels the first half at a speed of 5 kmph. Hence, time taken is x2÷5=x10 hours.
And, she covers the second half at a speed 8 kmph. So, time taken is x2÷8=x16 hours.