A number is divisible by 9 if the sum of its digits is greater than or equal to 9. 621 (6+2+1=9), for instance, is divisible by 9. Simply move the decimal point one place to the left to find the 10% ...

Quant Simplification Questions with Answers: Solve simplification questions with time-saving tricks to achieve mastery. It can boost your speed, accuracy, and chances of scoring well in the bank, SSC, ...