Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Which is the correct shadow of the bird?

What has one letter and starts with an E?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

If eleven plus two equals one, what does nine plus five equal?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.