A) \[5\frac{1}{10}\]
B) \[2\frac{1}{18}\]
C) \[3\frac{1}{6}\]
D) \[3\frac{3}{10}\]
Correct Answer: A
Solution :
\[?=\left( \frac{1}{2}-\frac{1}{4}+\frac{1}{5}-\frac{1}{6} \right)\] \[?=\left( \frac{1}{2}-\frac{1}{4}+\frac{1}{5}-\frac{1}{6} \right)\] \[=\left( \frac{30-15+12-10}{60} \right)\] \[=\left( \frac{36-50+54-35}{40} \right)\] \[=\left( \frac{17}{40} \right)\div \left( \frac{5}{90} \right)=\frac{17}{60}\times 18\] \[=\frac{51}{10}=5\frac{1}{10}\]You need to login to perform this action.
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