If I am 20 on Earth and my twin is in space, how many Earth years does it take for me to age at a different pace?

Category: Math · Difficulty: hard

Hint: Consider the effects of different gravitational pulls.

Answer

20 years

Explanation

The riddle implies relativity; aging remains the same regardless of location unless specified otherwise.

This is a hard math riddle — a tricky one that takes a little thought. The answer is 20 years.

More Math riddles

All Math riddles · Riddles with answers · Home