What is the value of given expression if 3 cot A = $\frac{7}{3}$?

$\frac{3 \cos A+2 \sin A}{3 \cos A-2 \sin A}$

A man, a woman and a boy can complete a job in 3, 5 and 15 days, respectively. How many boys must assist 1 man and 1 woman to complete the job in $\frac{1}{5}$ of a day?

A shopkeeper gives a 12% additional discount on the discounted price, after giving an initial discount of 25% on the labelled price of a radio. If the final selling price of the radio is ₹792, then what is its labelled price (in ₹)?

Which of the following is the smallest ratio?

$\frac{5}{6}, \frac{7}{9}, \frac{11}{12}, \frac{13}{18} $