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If n is any odd number greater than 1, then `n\ (n^2-1)` is divisible by 24 always (b) divisible by 48 always (c) divisible by 96 always (d) None of these

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. The largest natural number, which exactly divides the product of an...

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  2. If n is a whole number greater than 1, then n^2(n^2-1) is always divis...

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  3. If n is any odd number greater than 1, then n\ (n^2-1) is divisible b...

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  4. The sum of digits of a 3-digit number is subtracted from the number...

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  5. A number is multiplied by 11 and 11 is added to the product. If the...

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  6. The product of any three consecutive natural numbers is always divis...

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  7. The sum of three consecutive odd numbers is always divisible by I....

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  8. The greatest number by which the product of three consecutive multi...

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  9. If p is a prime number greater than 3, then (p^2-1) is always divisibl...

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  10. The difference between the squares of two consecutive odd integers ...

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  11. A 4-digit number is formed by repeating a 2-digit number such as 25...

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  12. A 6-digit number is formed by repeating a 3-digit number: for examp...

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  13. The sum of the digits of a natural number (10^n-1) is 4707, where n is...

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  14. (x^n-a^n) is divisible by (x-a) for all values of n (b) only for even...

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  15. Which one of the following is the number by which the product of 8 ...

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  16. Consider the following statements: For any positive integer n, the ...

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  17. If n is any positive integer, 3^(4n)-4^(3n) is always divisible by 7 ...

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  18. If the square of an odd natural number is divisible by 8, then the ...

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  19. The largest number that exactly divides each number of the sequence...

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  20. The difference of the squares of two consecutive even integers is d...

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