Question : What is the value of $\frac{7 \text { of } 14 ÷ 4}{5 × 4 ÷ 2}+\frac{6 ÷ 12 × 3}{5 ÷ 25 × 2}+\frac{15 ÷ 5 × 6}{5× 15 ÷ 6}$?
Option 1: 7.44
Option 2: 7.64
Option 3: 7.62
Option 4: 7.22
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Correct Answer: 7.64
Solution :
$\frac{7 \text { of } 14 ÷ 4}{5 × 4 ÷ 2}+\frac{6 ÷ 12 × 3}{5 ÷ 25 × 2}+\frac{15 ÷ 5 × 6}{5× 15 ÷ 6}$
= $\frac{ \frac{98}{4}}{5 × 2}+\frac{\frac{1}{2}× 3}{\frac{1}{5}× 2}+\frac{3× 6}{5× \frac{5}{2} }$
= $\frac{49 }{20}+\frac{15}{4}+\frac{36}{25}$
= $\frac{245+375+144}{100}$
= $\frac{764}{100}$
= $7.64$
Hence, the correct answer is 7.64.
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