How is the moon similar to a dollar?

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

Can you find the number?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

what does this below rebus represent identXQQQQQME

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

How can you tell a raw egg from a hard-boiled egg?

What has many keys but can’t open a single lock?

In the Thar desert, 3 men found a big 24L Jar is full of water. Since there is a shortage of water so they decided to distribute the water among themselves such that they all have equal amounts of it. But they only have a 13L, a 5L and an 11-litre Jar.

How do they do it?

How can you leave a room with two legs and return with six legs?

Can you find the missing piece of the Porsche?