What is the next number in this series?

4,12,84,3612....

Count the number of balls in picture below:

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

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?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

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