Be active and find the killer in the picture Riddle below.

What makes this number unique: 8,549,176,320?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Can you Find and name the hidden bird in the picture below ?

What is the centre of gravity?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What does it mean?

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.