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If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:

Correct Answer: 1000

Explanation:

We know that 11 2 = 121.

Putting m = 11 and n = 2, we get:


(m - 1)n + 1 = (11 - 1)(2 + 1) = 103 = 1000.


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