What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

What does this below rebus puzzle mean?

A man escapes from jail using help from his girlfriend. The investigators suspect four girls of being the man's girlfriend.

Out of those four girls, one is his girlfriend who is lying. Two of the girls are completely innocent and are speaking the truth. One of the girls is the man's sister who is helping the girlfriend lie. Following are the statements from all four of them:

Ariana: "Myrna is his girlfriend."
Jane: "Angelina is lying."
Angelina: "Ariana is lying."
Myrna: "Jane is not his sister."

Can you find out who is the man's sister among them?

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 ?

What Does this text mean:

important=important

I don't get anymore wetter, no matter how much rain falls on me.

No one wants to have it, but if one got it, he does not want to lose it. What is It?

I always drive my customer away.

Who am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98