Question : LCM of $\frac{5}{33},\frac{25}{11},\frac{20}{55},$ and $\frac{15}{77}$ is:
Option 1: $\frac{300}{11}$
Option 2: $\frac{300}{77}$
Option 3: $\frac{25}{33}$
Option 4: $\frac{500}{11}$
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Correct Answer: $\frac{300}{11}$
Solution : LCM of $\frac{5}{33},\frac{25}{11},\frac{20}{55},$ and $\frac{15}{77}$ is: = $\frac{\text{LCM of 5,25,20,15}}{\text{HCF of 33,11,55,77}}$ = $\frac{300}{11}$ Hence, the correct answer is $\frac{300}{11}$.
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Question : What is the value of $\frac{39}{25} \div \frac{13}{5}+\frac{33}{5} \times \frac{4}{11} ?$
Option 1: 3
Option 2: 12
Option 3: 5
Option 4: 15
Question : The value of $\frac{1}{8} × \left[\frac{1}{5}\right.$ of $\left.\frac{11}{2} ÷\left\{\left(\frac{15}{3}-\frac{18}{6}\right)\right\}\right]$ is:
Option 1: $\frac{11}{160}$
Option 2: $\frac{11}{20}$
Option 3: $\frac{8}{11}$
Option 4: $\frac{11}{8}$
Question : What is the Highest Common Factor of $\frac{4}{55}$, $\frac{2}{11}$, and $\frac{8}{22}$?
Option 1: $\frac{1}{66}$
Option 2: $\frac{3}{88}$
Option 3: $\frac{2}{55}$
Option 4: $\frac{1}{55}$
Question : What is the value of $\frac{14+7-12+15-17+2-3+17}{2+7-9+2-4+22} ?$
Option 1: $\frac{23}{20}$
Option 2: $\frac{17}{20}$
Option 3: $\frac{19}{20}$
Option 4: $\frac{33}{20}$
Question : What is the value of $\frac{5}{11}$ of $\frac{3}{7}+\frac{7}{11} \times \frac{55}{21}-\frac{8}{22} \div \frac{16}{33}$?
Option 1: $\frac{1088}{927}$
Option 2: $\frac{1027}{924}$
Option 3: $\frac{1811}{956}$
Option 4: $\frac{1029}{945}$
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