alleryStart learning →What is the sum of the digits of the greatest 7-digit number?
A54
B72
C56
D63
Answer & Solution
Correct answer: D. 63
The number is 99,99,999, with seven 9s, and 7 times 9 is 63.
Keep practising Knowing Our Numbers
Browse all Knowing Our Numbers questions for Olympiad (Class 5), or explore more Mathematics topics.
Related questions
The Roman numeral MCMXLIV stands for which year?Which of these is NOT a standard subtractive Roman pair?Which Roman numeral stands for 2,421?The Roman numeral for 1,009 is:What is the largest number that standard Roman numerals can write?Which number is written MCMXC in Roman numerals?What number does the Roman numeral XLIX stand for?Ten crore is written in the short scale as: