Find the number of squares in the below picture

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Prove that twice of ten is the same as twice of eleven.

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

Can you count the number of blocks in the picture below?

What does this Rebus Picture mean?

Which word does the below Plexor means ?