Question

15 Which of the following statements is false?
(A)The duplicate ratio of a : b= a?:b
(B)The duplicate ratio of a : b = a3 : 53
(C) The sub duplicate ratio of 16:25 = 4:5
ab
(D) The reciprocal of the ratio a : b=
ba​

Answer 1

Answer:

no. c ...is correct...

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