alleryसबसे छोटा अंक x क्या है जो संख्या 52x को 3 से विभाज्य बनाता है?
A3
B1
C2
D0
Answer & Solution
Correct answer: C. 2
अंकों का योग = 5 + 2 + x = 7 + x। x = 2 रखने पर योग 9 बनता है जो 3 से विभाज्य है।
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