When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

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?

Eight of us go fourth, not back, to protect our king from an attack. What are we?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work.

Can you find out who am I?

Imagine you are in a room with no windows or doors. How will you get out?

Can you fill the blank with the correct number?

6 30 870 756030 _____

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?