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 walk into a room and see a bed. On the bed, there are two dogs, five cats, a giraffe, six cows, and a goose. There are also three doves flying above the bed. How many legs are on the floor?

Can you place six X (crosses) in below board without making three in a row in any way ?

Can you name some countries which do not have the alphabet 'A' in them?

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

Who am I?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

Spot 5 differences in two Christmas tree below:

What's the only room from which no one can enter or leave

Can you find the 09 errors in the picture below?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.