Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

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?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

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

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What is the end of everything?

What is common among 11, 69, and 88?

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