David walks 31 kms partly at a speed of 5 kms per hour and partly at 4 km per…
TCS · 2026
David walks 31 kms partly at a speed of 5 kms per hour and partly at 4 km per hour. If he had walked at a speed of 4 km per hour when he had walked at 5 and 5 km per hour when he had walked at 4, he would have walked 32 kms. The time (in hours) spent by David in walking was?
- A.
9
- B.
10
- C.
6
- D.
7
Attempted by 39 students.
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