Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

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

Can you write down eight eights so that they add up to one thousand?

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

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

Can you solve below mathematical equation?

2^1234 - 2^1233