John is the son of Jacob.
So,
Jacob is the_____of John's father?

What does this rebus means ?

PROG WORKRESS

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Find the next number in the series below

21 32 54 87 131 ?

Can you decipher the two rows to find the hidden word?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

What do you call a fish without an eye?

What begins with T, ends with T, and has T in it?

Which is the smallest number that you can write using all the vowels exactly once?