Can you replace the question mark with the correct number in the below table sequence?

How many times can you subtract the number 5 from 25?

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

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?

The dirtier I get, the whiter I look. Who am I?

People make me, save me, change me, raise me. What am I?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

What has 13 hearts but no other organs?

If it took eight men ten hours to build a wall, how long would it take four men to build it?