How tall is the table?
Riddle AnswerMath Riddles
Cookie Problem
In a cookie jar, there are ten butter cookies and ten chocolate-chip cookies. Tom sneaks over to the cookie jar in the middle of the night and tries to figure out:
- How many cookies do I need to take out of the jar if I want to make sure to get at least two of each kind?
- How many cookies do I need to take out of the jar if I want to make sure to get at least two butter cookies?
Brilliant Sister
Peter says to his sister Bitsy, “Because I’m twice as old as you, I’m twice as smart, too.” His sister responds, “Yes, but in five years I’ll be twice as old as I am now, and you won’t.”
Peter is dumbfounded, and he stops to calculate how old he and his sister will be in five years. Do you know the answer?
Riddle AnswerBirth Year
Imagine you were born in an odd-numbered year (like 1995). Will you celebrate your 50th birthday in an odd or an even year?
Riddle AnswerMother’s Day
Mother’s Day is always the second Sunday in May. What is the earliest possible date for this holiday, and what ’s the latest possible date?
Riddle Answer