A method of checking arithmetical calculation such as (+, –, ×, ÷) etc. is popularly known as

A method of checking arithmetical calculation such as (+, –, ×, ÷) etc. is popularly known as

A method of checking arithmetical calculation such as (+, –, ×, ÷) etc. is popularly known as :

(a) Casting out Nines

(b) ARLC Test

(c) QED

(d) Hopital Rule

Answer: A