Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I cannot talk, but I always reply when spoken to. What am I?

A blonde put eyeliner on her head. Why?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

Can you find the hidden animal in the picture below?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

Rearrange the letters in "new door" to make one word.

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

Find the number of squares in the below-given picture.