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What least value must be given to n so that the number 6135n2 becomes divisible by 9? 1          (b) 2      (c) 3      (d) 4

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. Let x be the product of two numbers 3, 659, 893, 456, 789, 325, 678...

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  2. Let a number of three digits have for its middle digit the sum of t...

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  3. What least value must be given to n so that the number 6135n2 becom...

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  4. Find the multiple of 11 in the following numbers. 112144    (b) ...

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  5. 111, 111, 111, 111 is divisible by (a) 3 and 37 only   (b) 3,11 and 3...

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  6. Which of the following numbers in not divisible by 18? 34056       ...

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  7. The number 89715938* is divisible by 4. The unknown non-zero digit ...

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  8. Which one of the following numbers is divisible by 3? (a) 4006020  ...

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  9. A number is divisible by 11 if the difference between the sums of t...

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  10. Which one of the following numbers is divisible by 11? 4823718     ...

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  11. Which one of the following numbers is divisible by 15? 17325     ...

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  12. 7386038 is divisible by 3     (b) 4     (c) 9      (d) 11

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  13. Consider the following statements: The numbers 24984, 26784 and 285...

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  14. Which of the following numbers is a multiple of 8? 923872    (b)...

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  15. If 78*3945\ is divisible by 11, where * is a digit, then * is equa...

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  16. If m and n are integers divisible by 5, which of the following is n...

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  17. An integer is divisible by 16 if and only if its last X digits are ...

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  18. Which of the following numbers is divisible by 3, 7, 9 and 11? 639 ...

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  19. A number 476**0 is divisible by both 3 and 11.  The non-zero digits...

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  20. How many of the following numbers are divisible by 3 but not by 9? ...

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