Find the odd one out of the following and give reasons- a4-9- b-16-36- c-20-45- d28-63

From the above given rational numbers, 20/ 45 is odd among others, because 20/ 45 can be written as 20/45, which is the only positive rational number among al ...

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Standard VII

Mathematics

Introduction: Rational Numbers

Find the odd ...

Question

Question 107

Find the odd one out of the following and give reasons.

$(a) \frac{4}{- 9} (b) \frac{- 16}{36} (c) \frac{- 20}{- 45} (d) \frac{28}{- 63}$

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Solution

From the above given rational numbers, $\frac{- 20}{- 45}$ is odd among others, because $\frac{- 20}{- 45}$ can be written as $\frac{20}{45}$ , which is the only positive rational number among all.

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Introduction: Rational Numbers

Standard VII Mathematics

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Question 107 Find the odd one out of the following and give reasons. (a)4−9(b)−1636(c)−20−45(d)28−63

From the above given rational numbers, −20−45 is odd among others, because −20−45 can be written as 2045, which is the only positive rational number among all.

Question 107

Find the odd one out of the following and give reasons.

$(a) \frac{4}{- 9} (b) \frac{- 16}{36} (c) \frac{- 20}{- 45} (d) \frac{28}{- 63}$

From the above given rational numbers, $\frac{- 20}{- 45}$ is odd among others, because $\frac{- 20}{- 45}$ can be written as $\frac{20}{45}$ , which is the only positive rational number among all.