Question
Download Solution PDFIf the number 6788934a4 is divisible by 11, then find the smallest whole number in the place of a.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept used:
If the difference in the sum of alternative digits of a number is divisible by 11, then that number is divisible by 11.
Calculation:
According to the question:
⇒ (6 + 8 + 9 + 4 + 4) - (7 + 8 + 3 + a) = 11
⇒ 31 - (18 + a) = 11
⇒ a = 2
∴ The correct answer is 2.
Last updated on Jul 17, 2025
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