This visual counting puzzle asks a simple question: How many parrots are there? The challenge comes from the smaller parrots that are partly hidden behind larger birds….

This family riddle is designed to make you count too many brothers. A woman has 4 daughters, and each daughter has the same brother. The important word…

This production puzzle looks like a multiplication problem, but the key is understanding the rate of each machine. If 5 machines make 5 toys in 5 minutes,…

This equation is a good test of one detail people often forget: multiplication and division have the same priority. The expression is: 18 − 6 ÷ 3…

This puzzle looks straightforward, but you still need to follow the correct order of operations. The expression is: 7 × 3 + 7 ÷ 7 Multiplication and…

This tiny equation is easy to underestimate because every number is the same. The expression is: 1 + 1 ÷ 1 + 1 Division must be completed…

This drawer puzzle depends on what we mean by a matching pair. The usual interpretation is that the 10 socks form 5 distinct pairs. In the worst…

This family puzzle takes a little algebra, but the wording gives you everything you need. Suppose there are b boys and s girls. For a boy, the…

This equation is a classic source of arguments because the notation can look more confusing than it really is. The expression is: 12 ÷ 3(1 + 3)…