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?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

Why is 6 afraid of 7?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

I am an odd number. Take away a letter and I become even. What number am I?

Out of four images which one is the odd one out?

You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

how come the second man dies?

John is looking at Jenifer, but Jenifer is looking at Jacob. John is married, but Jacob is not.

Is a married person looking at an unmarried person ?

No one wants to have it, but if one got it, he does not want to lose it. What is It?