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.

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Why did the Girl throw the butter out of the window?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

One day Jenifer meets the Lion and the Tiger in the Forest of Forgetfulness. She knows that the Lion lies on Mondays, Tuesdays, and Wednesdays, and tells the truth on the other days of the week. The Tiger, on the other hand, lies on Thursdays, Fridays, and Saturdays, but tells the truth on the other days of the week. Now they make the following statements to Jenifer:

Lion: Yesterday was one of my lying days.

Tiger: Yesterday was one of my lying days too.

What day is it?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

I have an eye but still cannot see.

Who am I?

I am the fastest animal but cannot climb the tree. What am I?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?