Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

what does this picture(rebus) riddle means ?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

You need to arrange three 7 and mathematical symbols to form number 1?

John needs to purchase 100 chocolates from three different shops and he has exactly 100 rupees to do that which he must spend entirely. He must buy at least 1 Chocolate from each shop.

The first shop is selling each chocolate at 5 paise, the second is selling at 1 rupee and the third is selling at 5 rupees.

How many chocolates should he buy from each shop?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Who always enjoys poor health?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.