Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

What is always in front of you but can’t be seen?

Using eight eights and addition only, can you make 1000?

Can you decipher the below rebus?

PBLUESAISNUERSES

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

1. What does:
TIM JOB
represent?

2. What does:
MO_ _
represent?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?