You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

10+10 and 11+11 can give you the same answer.

Explain how?

You can see three almost identical images below. Can you spot the odd one out from them?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

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.

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?