In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

Can you find out the missing number in the grid?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Which alphabet is a part of our body?

What is the largest number you can write with just 3 digits?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?