What is so fragile that saying its name breaks it?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What is the longest word in the dictionary?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

How can you tell a raw egg from a hard-boiled egg?

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?