Multiple Choice Questions

If m and n are whole numbers such that mn 121 then m ndash 1 n 1 ........

Quantitative Aptitude (CCS) Algebra

If m and n are whole numbers such that mⁿ = 121, then (m – 1)^{n + 1} = ?

100

1000

10000

Given that mⁿ = 121 ⇒ mⁿ = (11)²
Hencem m = 11 and n = 2
Putting these values, we get
(m – 1)^{n + 1} = (11 – 1)^{2 + 1}
= (10)³ = 1000.

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