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

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If m and n are whole numbers such that mⁿ = 121, the value of (m-1)ⁿ⁺¹ is: Answer: 1000

We know that 11² = 121. Putting m = 11 and n = 2, we get: (m-1)ⁿ⁺¹ = (11 - 1)²⁺¹ = 10³ = 1000.

Question context

This question is part of 📏 Arithmetic Aptitude within the broader 🧠 Aptitude Mastery subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.