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Which of the following is always odd? a...

Which of the following is always odd? a) sum of two odd numbers b) Difference of two odd numbers c) Product of two odd numbers d) None of these

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RS AGGARWAL-NUMBER SYSTEM-All Questions
  1. For the integer n , if n^3 is odd, then which of the following stateme...

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  2. If (n-1) is an odd number, what are the two other odd numbers neare...

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  3. Which of the following is always odd? a) sum of two odd numbers b) D...

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  4. If x is an odd integer, then which of the following is true? 5x\ \ ...

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  5. If a\ a n d\ b are two numbers such that a b\ =\ 0 , then (a)a\ =\...

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  6. If A ,\ B ,\ C ,\ D are numbers in increasing order and D ,\ B\ E are ...

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  7. If m ,\ n ,\ o,\ p\ a n d\ q are integers, then m\ (n\ +o)\ (p-q) must...

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  8. If n is a negative number then which of the following is the least?...

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  9. If x-y=8 , then which of the following must be true? Both x and y are ...

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  10. If x\ a n d\ y are negative , then which of the following statement...

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  11. If n=1+x , where x is the product of four consecutive positive inte...

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  12. If x=2/5y+3 how does y change when x increases from 1 to 2? (a) y incr...

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  13. If x is a rational number and y is an irrational number, then (a) bot...

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  14. The difference between the square of any two consecutive integers i...

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  15. Between two distinct rational numbers a and b ,there exists another...

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  16. If B\ >\ A , then which expression will have the highest value (giv...

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  17. If 0\ <\ x\ <\ 1 , which of the following is greatest ? x (b) x^2...

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  18. If p is a positive fraction less than 1, then (a) 1/p is less than 1 ...

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  19. If x is a real number than x^2+x+1 is (a) less than 3/4 (b) zero for a...

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  20. Let n be a natural number such that 1/2+1/3+1/7+1/n is also a natural ...

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