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What should be added to -12 to obtain the nearest natural number? - Mathematics

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Question

What should be added to `(-1)/2` to obtain the nearest natural number?

Sum
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Solution

We know that, nearest number of `(-1)/2` is 1.

Let x be added to `-1/2` to obtain 1.

Then, `-1/2 + x = 1`

⇒ `x = 1 + 1/2 = (2 + 1)/2`

⇒ `x = 3/2`

Hence, `3/2` should be added to `(-1)/2` to obtain the nearest natural number.

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Chapter 8: Rationals Numbers - Exercise [Page 251]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 8 Rationals Numbers
Exercise | Q 95. | Page 251

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