A man asks his friend how old his son is. The friend replies: "If you add the same amount and then half again to his current age, he will be 10 years old." How old is the son? 3. Answer Key ✅

Sites like LogicLike offer interactive 5th-grade math examples.

10 rubles. (Marina had 0 rubles, which is why she was short 10; Vasya had 9). Dog Rope: The rope wasn't tied to anything else! Ladder: Jump from the bottom step. Months: All 12 months have at least 28 days. Sequence: 13 (Each number is the sum of the previous two). Donkeys: 25 meters. (One donkey eats 1 meter per day). Age: 4 years old. ( Resources for Further Learning

A dog is tied to a 10-meter rope but manages to walk 200 meters in a straight line. How is this possible?