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If n is a whole number such that n+n=n ,...

If `n` is a whole number such that `n+n=n ,\ t h e n\ n=?`
(a) 1
(b) 2
(c) 3
(d) none of these

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RD SHARMA ENGLISH-OPERATIONS ON WHOLE NUMBERS-All Questions
  1. Which one of the following whole numbers does not have a predecessor...

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  2. The number of whole numbers between the smallest whole number and th...

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  3. If n is a whole number such that n+n=n ,\ t h e n\ n=? (a) 1 (b) ...

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  4. The predecessor of the smallest 3-digit number is (a)999      (b...

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  5. the least number of 4-digits which is exactly divisible by 9 is (a...

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  6. The number which when divided by 53 gives 8 as quotient and 5 as rem...

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  7. The whole number n satisfying n+35=101 is (a)65 (b) 67 (c) 64 (d...

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  8. The value of 4\ x\ 378\ x\ 25 is (a) 37800 (b) 3780 (c) 9450 (d) 300...

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  9. the value of 1735\ xx\ 1232-1735\ xx\ 232 is (a)17350 (b) 173500 ...

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  10. The value of 47 xx 99 is: (a) 4635 (b) 4653 (c) 4563 (d) 6453

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  11. Which one of the following is not a natural number? (a)1    (b)1...

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  12. If n is an (a) odd natural number greater than 1, then the product o...

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  13. The number of whole number between the smallest whole number and the...

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  14. If x+12=12+7,\ then the commutativity of addition x= (a) 12 (b) ...

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  15. If (31+15)+\ x=31+(15+23), then by using associativity of addition x...

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  16. What is the multiplicative identity element in the set of whole numb...

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  17. What is the additive identity element in the set of whole numbers? ...

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  18. If n is an even natural number, then the product of its successor an...

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  19. Additive inverse of 28 is (a) 1/(28) (b) 0 (c) -28 (d) 82

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  20. Which of the following is not zero? (a) 0\ xx\ 0 (b) 0/2 ...

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