Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

By using 'because' continuously three times, can you make an English statement ?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

Which is the rope you never skip with?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

What demands an answer, but asks no questions

Make a sentence consisting of three words that have the whole alphabet.