Mathematics · Speed, Time and Distance

A boat can cover [25x + 20y] km downstream distance in 10 hours while the same boat covers [12x + 2y + 2] km distance in 5 hours upstream. The value of x is the square of the only even prime number and the speed of the boat in still water is 16 km/hr. Find the time taken by the boat to cover [13x + 10y] km downstream distance.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

16.25 hours
25.10 hours✓
33.75 hours
42.75 hours

Correct answer

5.10 hours

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