I start and end with 500 and carry a 5 in my heart. But I require the first letter and the first number to be complete. I am the name of a King.

Who am I ?

A frog is at the bottom of a 30-meter well. Each day he summons enough energy for one 3-meter leap up the well. Exhausted, he then hangs there for the rest of the day. At night, while he is asleep, he slips 2 meters backwards. How many days does it take him to escape from the well?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

I have feet, but no legs. Which animal Am I?

I have branches, but no fruit, trunk or leaves. What am I?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I know a nine-letter word having only one vowel.
Do you ?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

Its something that each of us devours,
Not just us but birds, beats, trees, and flowers,
Frets iron and nibbles steel,
Toil hard stones to meal,
Exterminates king, collapse town,
And blows the mountains down.