I’m tall when I’m young, and I’m short when I’m old. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

John is on an island and there are three crates of fruit that have washed up in front of him. One crate contains only apples. One crate contains only oranges. The other crate contains both apples and oranges.

Each crate is labelled. One reads 'apples', one reads 'oranges', and one reads 'apples and oranges'. He know that NONE of the crates have been labeled correctly - they are all wrong.

If he can only take out and look at just one of the pieces of fruit from just one of the crates, how can he label all of the crates correctly?

Why do you find that most of the buildings are deprived of the 13th floor?

What is the next number in this series?

4,12,84,3612....

Count the squares in the matchstick puzzle below?

Steffi's daughter Jazelle needs to be picked up from school every day.
Steffi asks one of her colleagues to pick up Jazelle from the school. Steffi devised a password system to confirm that Jazelle goes with the correct colleague only.

The password on Monday was SJM16.
The password on Wednesday was TAW39.

What will the password be for Friday?

What does this rebus means ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.