Question
Download Solution PDFIf the 8-digit number 123456xy is divisible by 8, then the total possible pairs of (x, y) are:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The 8-digit number 123456xy is divisible by 8
Concept used:
If the last three digits of a number are divisible by 8, then the number is completely divisible by 8.
Calculation:
So, 6xy should be divisible by 8
Now,
Possible numbers are 600, 608, 616, 624, 632, 640, 648, 656, 664, 672, 680, 688, 696
So, total of 13 possible pairs can be made
∴ The required answer is 13.
Last updated on Jul 9, 2025
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