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Find the value of expression 98-99+100-101+102_____ Up to 1000 terms.
  • a)
    -1000
  • b)
    -250
  • c)
    -600
  • d)
    -500
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Find the value of expression 98-99+100-101+102_____ Up to 1000 terms.a...
Here, 98-99 = -1 
100-101 = -1 
102-103 = -1 
And, so on
Therefore, total term of -1 will be 1000/2=500
So, the value of expression = 500×-1= -500. 
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Community Answer
Find the value of expression 98-99+100-101+102_____ Up to 1000 terms.a...

Explanation:

Calculating the sum of the expression:
- We can see that the pattern of the expression is: 98-99+100-101+102-...
- This pattern can be simplified as: -1+1-1+1-1+1-...
- We can see that the sum of this pattern up to 1000 terms will be -500.
- Therefore, the value of the expression up to 1000 terms is -500.

Therefore, the correct answer is option D) -500.
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