How Smart Am I?
Question 19 out of 29

19. My sister's age is three times my age. The sum of our ages is 40. How old is my sister?
30 35 40 20 17 I don't have a sister ▶ Next Question ◀

What Should You Be This Halloween?
What Should You Be This Halloween?
What Should I Eat Tonight?
What Should I Eat Tonight?
What Would You Die For?
What Would You Die For?
Only People With A PhD Can Spell The 29 Tricky Plural Forms Of The English Language
Only People With A PhD Can Spell The 29 Tricky Plural Forms Of The English Language
What Should I Wear For Easter?
What Should I Wear For Easter?
Discover Your Past Life Boyfriend!
Discover Your Past Life Boyfriend!
What Is Success For You?
What Is Success For You?
Are You A True Lady?
Are You A True Lady?
What Should Be Your Relaxation Song?
What Should Be Your Relaxation Song?
Political Party Quiz
Political Party Quiz
How Much Do You Know About Egyptology?
How Much Do You Know About Egyptology?
What Phrase Do You Need To Stop Saying?
What Phrase Do You Need To Stop Saying?