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

? : 3839 :: 11 : 1209

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

How many times can you subtract the number two from the number fifty?

What is at the end of a rainbow?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

What occurs twice in a week, once in a year but never in a day?

What does this below rebus puzzle mean?