a) 15 kmph
b) 12 kmph
c) 10 kmph
d) 8 kmph
Answer: c
Explanation: The distance covered in two hour,
= 2 × 25 = 50 km
Time taken by first individual = (3h + 2h) = 5h
So, the speed of predecessor
= $$\frac{{50}}{5}$$ = 10 kmph.
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