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If a six-digit number 3x8z9y is divisible by 7 and 11 then the average the value of x, y and z is
  • a)
    23/3
  • b)
    21/3
  • c)
    20/3
  • d)
    8
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
If a six-digit number 3x8z9y is divisible by 7 and 11 then the averag...
If a number is divisible by 11, sum of digits in odd places = sum of digits in even places
Also, average of digits in odd places = average of digits in even places
Then (x + y + z)/3 = (3 + 8 +9)/3 = 20/3
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If a six-digit number 3x8z9y is divisible by 7 and 11 then the average the value of x, y and z isa)23/3b)21/3c)20/3d)8Correct answer is option 'C'. Can you explain this answer?
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