Test your IQ: Can you solve this test?

Puzzles are great brain-stimulating tools, available for all tastes and ages. They help develop various cognitive skills and provide enriching entertainment. Some of the most popular are jigsaw

puzzles, which require patience and attention to put the pieces together and recompose a picture, and thinking games like Sudoku.

These

puzzles are particularly effective in measuring and improving intelligence quotient (IQ). They challenge logical reasoning and problem-solving skills, key skills assessed in IQ tests.
Description of the Challenge

Today’s puzzle requires a thorough analysis and a basic understanding of physics. However, even if you are not an expert in physics, a good observational skill might be enough to solve the puzzle. The puzzle image shows five people, labeled A through E. E is about to push a rock down a slope. The rock is spaced far enough apart for a head to fit inside.

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