alleryयदि संख्या x3339, 11 से विभाज्य है, तो अंक x का मान क्या है?
A2
B4
C5
D3
Answer & Solution
Correct answer: C. 5
11 से विभाज्यता: विषम स्थानों के अंकों का योग - सम स्थानों के अंकों का योग। विषम स्थान (दाएं से): 9 + 3 + x = 12 + x। सम स्थान: 3 + 3 = 6। अंतर = 12 + x - 6 = 6 + x = 11 => x = 5।
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