AP EAMCET Engineering 23 Sep 2020 Shift 1 Paper

Suppose R1,R2 and R3 are the rates of three reactions of first, second and third order respectively and k is the rate constant all the three reactions.
R1=k[A] R2=k(A)2
R3=k[A]3
[A] being the concentration of the reactant A in mol per litre. Now, if
[A]=1, then R1=R2=R3