Aptitude - Surds and Indices - Discussion
Discussion Forum : Surds and Indices - General Questions (Q.No. 13)
13.
If m and n are whole numbers such that mn = 121, the value of (m - 1)n + 1 is:
Answer: Option
Explanation:
We know that 112 = 121.
Putting m = 11 and n = 2, we get:
(m - 1)n + 1 = (11 - 1)(2 + 1) = 103 = 1000.
Discussion:
13 comments Page 2 of 2.
Kiruthiga said:
5 years ago
In this sum, how n=2 is came? Explain please.
Krishna said:
9 years ago
Why not we consider m=121 and n=1?
(2)
Arman said:
6 years ago
How n=2?
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers