If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

Before Mount Everest was discovered, what was the highest mountain in the world?

How many letters are in the alphabet?

The more you take me, the more you leave me behind.
Who Am I?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

What month of the year has 28 days?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?