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Addition of Integers

Mark the corr...

Question

Mark the correct alternative for

$(- 1) + (- 1) + (- 1) + . . . . 500$ times?

A

-500

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B

500

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C

1

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D

-1

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Solution

The correct option is A
-500
Here,
$= (- 1) + (- 1) + (- 1) + (- 1) + . . . 500$ times

$= - (1 + 1 + 1 + 1 + . . . 500 t i m e s)$

$= (- 500)$

$∴$ The answer is $- 500$

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