Replace the question mark with the correct number in below Picture:

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?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

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

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

what does this picture(rebus) riddle means ?