Question
Download Solution PDFThe number 2918245 is divisible by which of the following numbers?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The number 2918245
Formula used:
Divisibility rules for 3, 9, 11, and 12
Calculation:
For 3: Sum of digits = 2 + 9 + 1 + 8 + 2 + 4 + 5 = 31
⇒ 31 is not divisible by 3
For 9: Sum of digits = 31
⇒ 31 is not divisible by 9
For 11: Alternating sum of digits = 2 - 9 + 1 - 8 + 2 - 4 + 5 = -11
⇒ -11 is divisible by 11
For 12: Divisible by both 3 and 4
⇒ 2918245 is not divisible by 3
⇒ 2918245 is not divisible by 4 (last two digits 45)
∴ The correct answer is option (3).
Last updated on Jul 21, 2025
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