Vishwanath
Monday, February 18, 2013
12. If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:
A. 1
B. 10
C. 121
D. 1000
Answer:
Option : D
We know that 112 = 121.
Putting m = 11 and n = 2, we get:
(m - 1)n + 1 = (11 - 1)(2 + 1) = 103 = 1000.
Title : Surds And Indices Q12
Description : 12. If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is: A. 1 B. 10 C. 121 D. 100...
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