- A5
- B4
- C2
- D7
Step-by-Step Solution
Digit sum 7 + 2 + 3 + 1 = 13. The next multiple of 9 is 18, so add .
Answer: A) 5
What is the least number that must be added to 7231 to make it exactly divisible by 9?
Competition practiceNumber System, HCF & LCM
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Number System, HCF & LCM practice questions
More Number System, HCF & LCM practice
Rationalise the denominator of 1√7 - √5.How many three-digit numbers have all three digits odd?The digits of a two-digit number add up to 11. Reversing the digits increases the number…What is the smallest natural number that leaves remainder 7 on division by 11 and…How many integers x satisfy |x − 3| < 5?