Login/RegisterQuantitative Aptitude :: Percentage - Discussion
Home > Quantitative Aptitude > Percentage > MCQs Questions Discussion
122 / 99
Choose the correct option.
(a% of a) + (b% of b) = 2% of ab, then what percentage of a is b?
A50%
B75%
C100%
DCannot be determined.
Answer: Option (Login/Signup)
Show Explanation
Asked In ::
STEP-BY-STEP
Acc. to the question we have to find b/a
Given a*a/100 + b*b/100 =2ab/100 or a^2+b^2=2ab or (a-b)^2 =0
By Solving we will get a=b
Hence b/a= 1 or 100%
Given a*a/100 + b*b/100 =2ab/100 or a^2+b^2=2ab or (a-b)^2 =0
By Solving we will get a=b
Hence b/a= 1 or 100%
Read Full Answer
Report Error
Please Login First Click Here
