On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Known by all without exception, Forever here, for your protection, Sometimes strong, sometimes weak, Right after the night I come - hot and chic. And while millions of miles away, I always get to you, I find my way. No life around could do without me, Can you guess what I might be?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

What word is pronounced the same if you take away four of its five letters?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

How do you go from 98 to 720 using just one letter?

O_er_t_o_

Complete the missing letters of the given word.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?