1) 7 8 9 7 6 5 3 4 2 8 9 7 2 4 5 9 2 9 7 6 4 Which figures have equal frequency ? A) 2,5,3 B) 2,4,5 C) 3,7,5 D) 8,6,5 Answer: Option DExplanation:In given series, 2 occurs 3 times ; 3 occurs once; 4 occurs 3 times; 5 occurs 2 times;6 occurs 2 times 7 occurs 5 times;8 occurs 2 times and 9 occurs 4 times . Clearly frequency of 5,6 and 8 is same ie 2.