The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

What can jump higher than a building?

What is red and smells like blue paint?

How many letters are in the alphabet?

In the addition below, all digits have been replaced by letters. Equal letters represent equal digits and different letters represent different digits.
ABCABA
BBDCAA
ABEABB
ABDBAA
------- +
AAFGBDH
What does the complete addition look like in digits?

What is the relationship between these matchstick pictures below?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

Can you name four days which start with the letter 'T'?

Which flower has two lips?