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

? : 3839 :: 11 : 1209

I cannot talk, but I always reply when spoken to. What am I?

What is full of holes but still holds water?

Find the next number in the series below

21 32 54 87 131 ?

what does the below math rebus puzzle mean?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A Miser man decided to go on a vacation for a month. He goes to the bank and asks for a trip loan of $500. The bank officer asks the man that the loan can only be approved when he mortgage some valuable thing at the bank. Miser man mortgages his only car whose worth was a whopping $80000. The Bank officer laughed at him and approve the loan instantly. After vacation when the miser man returns, the bank officer asked him "Are you an idiot, why is your mortgage such an expensive car for such a short loan?".

Miser man replied with some reason and the bank officer agreed that the miser man is actually not an idiot.

What did miser man reply to the bank loan officer?.

Which digit occurred maximum times between the number 1 and 1000?