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?

Can you find the thief by just looking at the picture below?

I shave every day, but my beard stays the same. What am I?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

How many triangles are there in the picture below?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

Can you divide the below-given shape into four equal and identical pieces?