Math Chapter Wise Arithmetic English MCQ DSSSB 23 SEP 2018 (9 AM-11 AM) Q.Which of the following is a rational number: A() () 4 5 4 5 + − − B()() 4 5 4 5 − − C()() 4 5 4 5 + + D()() 4 5 4 5 + − Show answer Correct answer: ()() 4 5 4 5 + −