10. Each alphabet stands for one digit in the following
multiplication.
T H I S
x I S
---------
X F X X
X X U X
------------
X X N X X
------------
What is the maximum value T can take?

Answer Posted / sk

Simple Max value it can take is 9

because they havent given any constraints for I S. So assume I = 1 and S = 1 and no limit for H so H = 1

Now (T 1 1 1) * (1 1) - This can be the case where T will be Max

So Answer is '9' and this will also match the total result of 5 digit (means after adding the sum of each multiply of 9 1 1 1 with 1).

Finally,
9111 (THIS)
*11 (IS)
----
9111 (XFXX)
+9111 (XXUX)
-----
18222 (XXNXX)

PS: They dint mentioned that X should be same.

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