Answers for **River Crossing IQ Logic 15 Solution** – Please help the man across the river by find the correct code of bridge (1-49). Correct code in the range (21-25). Each time change you have to change the 2 numbers by 2 option (-8) or (-13). You have 9 turns to find the code. Your ultimate brain challenge puzzle game ! use logic to solve some troll question on each level ! Use our optimal answer cheat to see how to solve the puzzle logic game for every stage 🙂

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**river crossing level 15 walkthrough**

You have to make all the numbers on the bridge to be between 21 and 25, when you do that the spikes will vanish and the old man can cross the bridge, but only the numbers of two tiles can be increased or decreased at a time.

here’s the answer how to solve river crossing iq logic 15 :

We have 5 cells with values of :

17 26 20 19 31

17 : increase 1x

26 : increase 1x, decrease 1x

20 : increase 2x, decrease 1x

19 : increase 2x, decrease 1x

31 : increase 4x, decrease 3x

total increasing : 10x

total decreasing : 6x

so the total steps = (10+6)2 = 8

you can make your way as long as the guaranteed number if increasing / decreasing as above

the final value = 25 21 23 22 24

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