Replace the question mark with the correct number below.

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Can you find the thief by just looking at the picture below?

A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Where do you go to learn how to make ice cream?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

I taste better than I can smell. Who am I?