Quantitative Aptitude • Number System & SimplificationEasy
What is the smallest number that must be added to 6,521 so that the result is exactly divisible by 11?
A. 11
B. 3
C. 2✓ Correct Answer
D. 9
💡 Solution & Explanation
Divide 6,521 by 11: the quotient is 592 and the remainder is 9. To reach the next multiple of 11, add 11 − 9 = 2. Check: 6,521 + 2 = 6,523, which is 11 × 593. Note that 9 is the number to subtract, not add, to get a multiple of 11.
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