By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"

What is the word or phrase?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

What is the next number in this matchsticks series riddle?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Next Number in the Series,

5, 16, 49, 104, ?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you find a number that lies one third of the distance between 1/3 and 2/3?