`ML^(3) T^(-1) Q^(-2)` is dimension of

Two physical quantities are represented by P and Q . The dimensions of their product is [M^(2) L^(-4) T^(-4) I^(-1)] and dimensions of their ratio is [I^(-1)] . Then P and Q respectively are

ML^(2)T^(-2) is a dimension of which of the following physical quantity?

[ML^(2)T^(-3)A^(-1)] is the dimensional formula for

[ML^(2)T^(-3)A^(-1)] is the dimensional formula for

[M^(1)L^(1)T^(-2)] are the dimensions of

[L^(-1)M^(1)T^(-2)] are the dimensions of

[L^(-1)M^(1)T^(-2)] are the dimensions of

[ML^2 T^-2] are dimensions of