What runs around the whole yard without moving?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Be active and find the killer in the picture Riddle below.

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

If a wheel has 54 spokes, how many spaces are there between the spokes?

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