Can you count the number of lines in the below picture?

What is next number in the pattern below:

131 517 192 123 ?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

Can you find the company name in the pictogram below?

Why is the Hole below a Lock?

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?

Replace the question mark with the correct number in the below-given picture?

I am a word that begins with the letter “i.” If you add the letter “a” to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?