27. What is the product of \( \frac{3}{4} \) and \( \frac{4}{3} \) ? (29) 28. What fraction is \( \frac{1}{2} \) of \( \frac{5}{6} \) ? (29. Convert \( \frac{30}{8} \) to a mixed number. Reduce the fracti (28). What percent of a circle is \( \frac{2}{5} \) of a circle?

ion : Part-C-Elementary Mathematics एक व्यापारी अपने सामान को क्रय मूल्य से \( 50 \% \) अधिक पर अंकित करता है और \( 20 \% \) की छूट देता है। छूट देने के बाद व्यापारी को कितने प्रतिशत का लाभ होता है?

\( y ^ { \prime } = ( \frac { 4 \sin ^ { 2 } x } { \cos ^ { 2 } x } - \tan ^ { 2 } x ) ^ { \prime } \)

Find the midpoint between the two points \[ \begin{array}{l}\text { أوجد نقطة المنتصف بين النقطتين }(6,-4) \\ (-2,-4) \text { and }\end{array} \]

If \( y=12 \) when \( x=4 \), find \( y \) when \( x=12 \)

B Find the missing term in a proportion Write your answer on the activity sheets 3. \( \frac{5}{12}=\frac{35}{n} \quad 4 \frac{18}{n}=\frac{21}{28} \) C Read and solve the problem Show your solutions on the attached activity sheet 5. Romel is typing a term paper that is 480 words long He can type 20 words in a minute How long will it take for him to type the term paper?