Given that
(78)^9 = 6 And (69)^4 = 11
Can you find out
(99)^2 =?
(Note: This is Logical not Mathemetical)
Suppose 4 digits 2 ,4,6 and 9 are given. You have to make a four-digit number. In how many ways it can be done, if repetition of the numbers does not allowed?