If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 km…
PYQ TCS NQT 2026
If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 km per hour, then the speed of the boat in still water is:
- A.
14 km per hour
- B.
13 km per hour
- C.
16 km per hour
- D.
15 km per hour
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