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 ?

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?

Who can jump higher than a Mountain?

I add 5 to 9 and get 2. The answer is correct, so what am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

A river should be crossed by a father, a mother and their two sons and two daughters.
There are some rules that should be followed while crossing the river. There can be only two people in the raft while crossing. The daughters cannot be with their father unless there is the presence of the mother. The sons cannot be with their mothers unless the father is present. Unless the guard is on the board, the criminals cannot be with any of the family members. Only the adults like the father, the guard, and the mother knows to use the raft.

How will they cross the river?

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

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