Incorrect
Explanation
9. Two twins are 2 people, three triplets are 3 people, and four quadruplets are 4 people. 2 + 3 + 4 = 9.
Solve this puzzle
In 1940, a correspondent proposed the following question: a man's age at death was one twenty-ninth of the year of his birth. How old was he in 1900?
44 56 22 55