Why is 6 afraid of 7?

The more of this there is, the less you see. What is it?

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?

Solve the riddle below:

If a Chicken says, 'All chickens are liars" is the chicken telling the truth?

Which Travels Faster? Solve below famous picture riddle:

What has many keys but can’t open a single lock?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

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

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

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?