Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 683
The first user who solved this task is Snezana Milanovic.
#brainteasers #math #riddles
Hooke Royal Society salaryIn 1664, Robert Hooke was provided with an annual salary of £50 per annum by the Royal Society for his services as curator of experiments there. |