KBC 2023| What is 10% of 90? KBC 2023 , Check the answer for the question . What is 10% of 90? By Ritika Shekhawat - December 12, 2023 KBC 2023, The options of the question – What is 10% of 90? A. 7 B. 8 C. 9 D. 10 The answer is C. 9