Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Which word does the below Plexor means ?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

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

Can you spot the hidden girl in the picture below?

What Time Should the last watch show in the below figure?

What runs around the whole yard without moving?

I am sure no one can have two things for dinner. what are they?