Exemplar example problems I — task. Mathematics CBSE, Class 8.

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1. Which of the following is not true?

\(\frac{2}{3} - \frac{5}{4} = \frac{5}{4} + \frac{2}{3}\)
\(\frac{2}{3} \div \frac{5}{4} = \frac{2}{3} \times \frac{4}{5}\)
\(\frac{2}{3} + \frac{5}{4} = \frac{5}{4} + \frac{2}{3}\)
\(\frac{2}{3} \times \frac{5}{4} = \frac{5}{4} \times \frac{2}{3}\)

2. Three rational numbers lying between \(\frac{-3}{4}\) and \(\frac{1}{2}\) are

\(\frac{-1}{4}\), \(\frac{1}{4}\), \(\frac{3}{4}\)
\(-\frac{1}{2}\), \(0\), \(\frac{3}{4}\)
\(\frac{-5}{4}\), \(0\), \(\frac{1}{4}\)
\(\frac{-1}{4}\), \(0\), \(\frac{1}{4}\)

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