In 5 minutes, 5 machines create 5 parts. In how many minutes can 100 machines create 100 parts?
IQ test for children 5 – 8 years old | special kid
Answer
Question 1: It only takes one opening to re-label the boxes correctly.
Question 2: The number to find is 16
Question 3: 5 machines make 5 parts in 5 minutes, so each machine can make 1 part in 5 minutes. Similarly, 100 machines also need 5 minutes to make 100 parts.
The test was tested and developed by Dr. Dorothy Einon, a psychology lecturer at University College London and author of child development books.
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