What goes up but never comes down?

Which number comes next in the number series?

2, 9, 30, 93, ?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

How many triangles are there on the puzzle below?

What does man love more than life, and hate more than death or mortal strife; that which satisfied men want; the poor have, and the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?