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

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

What jumps when it walks and sits when it stands?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

There are forty elephants and they have forty-fore heads. How can this be possible?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?