when wolfgang kohler put tempting bananas out of the reach of the chimpanzees, he found that:

http://www.muskingum.edu/~psych/psycweb/history/kohler.htm

What are your choices? Is there a stick or other equipment available? Is there another chimp that could cooperate in reaching the bananas?

When Wolfgang Kohler put tempting bananas out of the reach of the chimpanzees, he found that the chimpanzees used problem-solving skills to figure out how to obtain the bananas. They did not immediately resort to trial and error methods but instead engaged in a process of insight.

To get to this answer, you can search for "Wolfgang Kohler and tempting bananas chimpanzees" or "Kohler experiment with chimpanzees and bananas". This will likely lead you to research papers, articles, or even videos that provide information about Kohler's experiment and its findings.