Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do it?

There is an English word that can be used up to four times in a row without modifying the spelling and form a valid grammatical sentence.

Do you know what word is that?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

How many times do a clock's hands overlap in a day ?

What two things can you never eat for breakfast?

Which digit occurred maximum times between the number 1 and 1000?

Why do people go to bed?