A) 11
B) 15
C) 18
D) 20
Correct Answer: D
Solution :
9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 \[\therefore \] Total no. of 9 occurs = 20You need to login to perform this action.
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