What is so fragile that saying its name breaks it?

What is the next number in this matchsticks series riddle?

When does a USA Potato change its nationality?

John decided to give his bike 3 coats of paint. Which coat would go on the first?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

A beggar on the street can make one cigarette out of every 6 cigarette butts he finds. After one whole day of searching and checking public ashtrays the beggar finds a total of 72 cigarette butts. How many cigarettes can he make and smoke from the butts he found?

What will you call your mother's brother's brother-in-law?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?