You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

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

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

When is the top of a mountain similar to a savings account?

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Living above a star, I do not burn
Eleven friends and they do not turn
I can just be visited in a sequence, not once or repeatedly
PQRS are my initials
Can you tell my name accurately?

I have feet, but no legs. Which animal Am I?

Can you solve below mathematical equation?

2^1234 - 2^1233

I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?