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Calculate : 1-2+3-4+5-6+7-8++19-20...

Calculate : `1-2+3-4+5-6+7-8++19-20`

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RD SHARMA-NEGATIVE NUMBERS AND INTEGERS-All Questions
  1. Find the value of: -12+(-98)-(-84)+(-7)

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  2. Find the value of: -12-[(-15)+(-2)+\ -3]

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  3. Calculate : 1-2+3-4+5-6+7-8++19-20

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  4. Calculate the sum: 2+(-2)+2+(-2)+2+(-2)+ (i)if the number of terms is...

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  5. The sum of two integers is 48. If one of the integers is -24 , dete...

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  6. The sum of two integers is -396 . If one of them is 64, determine the ...

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  7. If is an operation on integers such that for integers a\ a n d\ b ...

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  8. On a particular day, the temperature of Delhi at 10 a.m. was 13^0C ...

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  9. Subtract the first integer from the second in each of the following...

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  10. Subtract the first integer from the second in each of the following...

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  11. Subtract the first integer from the second in each of the following...

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  12. Find the value of: -27-(-23) (ii) -17-18-(-35)

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  13. Find the value of: -12-(-5)-(-125)+270 373+(-245)+(-373)+145+3000

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  14. Find the value of: 1+(-475)+(-475)+(-475)+(-475)+1900 (-1)+(-304)+3...

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  15. Subtract the sum of -5020 and 2320 from -709

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  16. Subtract the sum of -1250 and 1138 from the sum of 1136\ a n d-1272

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  17. From the sum of 233\ a n d-147 ,\ subtract -284

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  18. The sum of two integers is 238. If one of the integers is -122 , de...

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  19. The sum of two integers is -223 . If one of the integers is 172, find ...

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  20. Evaluate the following: -8-24+31-26-28+7+19-18-8+33 -26-20+33-(-33)...

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