Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Readers with the most attentive eyes can find three differences between the pictures of a cat on a box. Test your observation power now!

Can you spot the hidden clock in this family photo? Only the most eagle-eyed will find it!

How can you write nineteen in a manner that if we take out one, it becomes twenty?

What has one letter and starts with an E?

Readers with the highest levels of visual skills can find three differences between the pictures of a lion on a scooter. Test your visual prowess now!

What have one eye but still cannot see?