What can you catch but never throw?

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?

What does the below image rebus riddle means ?

You find yourself in a strange place guarded by two guards.One of the guard always say truth while other always lies.You don't know the identity of the two.You can ask only one question to go out from there. What should you ask?

Count the number of triangles in the below picture?

Buy me, smell me or deliver me, I do not change.

Who am I?

What work can one never finish?

A man was driving a black truck. His lights were not on. The moon was not out. A lady was crossing the street. How did the man see her?

Do You See It?

Find the value of "?" in the ball picture Riddle below: