Using Only Five 5's and any mathematical operator make sum as 37

Name the three-letter word that can complete the below words?

A) L O _ _ _ E
B) E D U _ _ _ E
C) _ _ _ E R
D) _ _ _ T L E

Why is Saturday stronger than Monday?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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