When Maverick started cycling from his home, Kelvin was $$10$$ $$\rm km$$ ahead. Maverick\textquotesingle s cycling speed was $$15$$ $$\rm {km/h}$$ and Kelvin\textquotesingle s cycling speed was $$10$$ $$\rm {km/h}$$. They went in the same direction and did not change their speeds throughout.  Maverick was certain that he took only $$24\rm min$$ to catch up with Kelvin, but Kelvin was certain that Maverick took longer.  Who was correct? If Kelvin was correct, how long did Maverick take to catch up to Kelvin? 
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