Attempt the question given below on the basis of given series
7 8 9 7 6 5 3 4 2 8 9 7 2 4 5 9 2 9 7 6 4 7
Which figures have equal frequency (appeared equal number of times)?
1,8,0
2,4,5
3,7,5
8,6,5
2,5,3
From the options, only last option is repeated equal number of times i.e. 8, 6 and 5 digits are occurred equal number of times.