Question
Quantitative Ability and Data Interpretation Question on Logarithms
If 21 log x+21 log y+log 2=log(x+y), then
A
x = −y
B
x = y + 1
C
x = y
D
y = x + 1
Answer
x = y
Explanation
Solution
The correct option is (C): x = y.
If 21 log x+21 log y+log 2=log(x+y), then
x = −y
x = y + 1
x = y
y = x + 1
x = y
The correct option is (C): x = y.