engineering recuitment NPCIL Plant Operator Mock Test Quantitative Aptitude Simplification Bodmas Rule
\(8\frac{9}{{10}}\; + \;7\frac{1}{5}\; - \;6\frac{1}{2}\; \div \;2\frac{3}{5}\; \times \;1\frac{4}{5}\; - \;11\frac{1}{2}\; + \;\frac{9}{{10}}\) का मान ज्ञात कीजिये
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