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Question:

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

a)

10

b)

10000

c)

100

d)

1000

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Description:

We know that 11 square 2 = 121.
Putting m = 11 and n = 2, we get:
(m - 1) power n + 1 = (11 - 1) power (2 + 1) = 10 power 3 = 1000

This question was added in the model test of SO Final Model Test -3

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Coaching/Teacher: Abdul Wadud
Syllabus: Bank Preli Syllabus
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