If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
False
If x and y are in direct proportion, then
⇒ 
E.g. Let x = 4 and y = 6
∴ 
Now, x-1 = 4-1 = 3 and y-1 = 6-1 = 5
∴
50
If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion.
False
If x and y are in direct proportion, then
⇒
E.g. Let x = 4 and y = 6
∴
Now, x-1 = 4-1 = 3 and y-1 = 6-1 = 5
∴