Count the number of times the letter "F" appears in the following paragraph: FAY FRIED FIFTY POUNDS OF SALTED FISH AND THREE POUNDS OF DRY FENNEL FOR DINNER FOR FORTY MEMBERS OF HER FATHER'S FAMILY.
You throw me out when you want to use me and you take me in when you don't want to use me. Who Am I?
What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?
The more of this there is, the less you see. What is it?
I am a five-letter word and comprises two different vowels and three same consonants. I am so strong that I can spoil your entire work. Can you find out who am I?
I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?
What breaks yet never falls, and what falls yet never breaks?
When I get multiplied by any number, the sum of the figures in the product is always me. What am I?
It can be easily calculated that the digits 0 to 9 can be arranged into 3628800 distinct ten-digit numbers. But do you know how many of these numbers are prime?
Always in you, Sometimes on you; If I surround you, I can kill you. What am I?
If an electric train is travelling south, then which way is the smoke going?
Artificial Intelligence has crushed all human records in the puzzle game “2048,” achieving a high score of 839,732 and beating the game in only 973 moves without using any undo.