What always comes into a house through the keyhole?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

If in a code language, DISTANCE is written as IDTUBECN and DOCUMENT is written as ODDVNTNE, the how will THURSDAY be coded as in the same language?

What does the below rebus puzzle mean?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What can you deduce from the following BrainBat?

CRY
LMKI

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

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?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Can you write down eight eights so that they add up to one thousand?