CAT Practice : Number System

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Test of Divisibility

    Q.10: Which among the following is the smallest 7 digit number that is exactly divisible by 43?
    1. 1000048
    2. 1000008
    3. 1000006
    4. 1000002


  • Correct Answer
    Choice B. 1000008

Detailed Solution

The smallest 7 digit number is 1000000

43 – 35 = 8

So adding 8 to 1000000 makes it completely divisible by 43.
Answer = 1000008

Correct Answer: Choice B

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More questions from Number System

  1. Product of digits
  2. Sum of first n natural numbers
  3. Perfect Square
  4. Last two digits
  5. Multiples
  6. Greatest integer function
  7. Medians, Number
  8. 44th digit of a number
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