Can you fill the blank with the correct number?

6 30 870 756030 _____

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

Next Number in the Series,

5, 16, 49, 104, ?

John bought 150 chocolates but he misplaced some of them. His Father asked him how many chocolates were misplaced.
He gave the following answer to him:
If you count in pairs, one remains
If you count in threes, two remain
If you count in fours, three remain
If you count in fives, four remain
If you count in sixes, five remain
If you count in sevens, no chocolate remains.

Can you analyze the statements and tell us how many chocolates were lost?

Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Outside a massage parlour, there is a board that reads
"I only massage those who do not massage themselves."

Reading the above statement, does the masseur massage himself?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?