Find the 8 in the below-given Image.

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?

Can you count the number of triangles in the picture below?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

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

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

What has many teeth, but cannot bite?