CBSE
Gujarat Board
Haryana Board
Class 10
Class 12
In a direct proportion, two quantities x and y vary with each other such that:
xy remains constant
C.
xy remains constant
If the following quantities vary directly, then what is the value of y?
y | 5 |
8 | 20 |
y = 20
y = 2
y = 4
B.
y = 2
If the following quantities vary directly, then what is the value of x?
1 | 4 |
7 | x |
x = 4
x = 7
x = 28
A.
x = 4
In a direct proportion, two quantities x and y vary with each other such that:
xy remains constant
A.