Can you find the company name in the pictogram below?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

What does below rebus means ?

Solve the rebus riddle in the picture below.

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

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

A man is sitting in a bar when a rich man sits next to him. He turns to the rich man and says, “Did you know I know almost every song that has ever existed?”

The rich man laughs. The man then says, “I bet you all the money you have in your wallet that I can sing a genuine song with a lady’s name of your choice in it. The rich man laughs again and says, “OK, how about my daughter’s name, Jamie Armstrong-Miller?” Minutes later, the man collects his cash and the rich man goes home cashless. What song did the man sing?

What number should come in place of the question mark below?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

Name a key which is hardest to turn.