What question can you never answer yes to?

Can you find out who is the kidnapper in below Picture and why, Explain ?

Where do you go to learn how to make ice cream?

I have thought of a number that is made up by using all the ten digits just once. Here are a few clues for you to guess my number:

First digits is divisible by 1.
First two digits are divisible by 2.
First three digits are divisible by 3.
First four digits are divisible by 4.
First five digits are divisible by 5.
First six digits are divisible by 6.
First seven digits are divisible by 7.
First eight digits are divisible by 8.
First nine digits are divisible by 9.
The number is divisible by 10.

Can you find out the number ?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

What is the centre of gravity?

What Time Should the last watch show in the below figure?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

Find the next number in the following series:
6, 14, 26, 98, __?