Question
Quantitative Aptitude Question on Ratio and Proportion
If yx=2 , what is the value of a8y = ?
A
2
B
4
C
6
D
Cannot be determined
Answer
4
Explanation
Solution
from the equation yx=2, we can use x in terms of y:
x=2y
Now, to find the value of a8y, we need to relate a to y. If we assume a=x then:
a8y=2y8y=28=4
So, the value of a8y is 4.
The correct option is (B): 4