(316. \( \left[\frac{5}{24} \times\left(\frac{2}{5}+\frac{1}{20}\right)+\frac{19}{64}\right]:\left\{\left(\frac{5}{8}\right)^{2} \times\left[\left(\frac{5}{18}+\frac{1}{4}\right): \frac{19}{2}+\frac{1}{6}\right]\right\} \)

Round \( 3.76 \) to the nearest tenth.

Find the reciprocals of the numbers below. The reciprocal of 2 is \( \square \). The reciprocal of \( \frac{9}{10} \) is \( \square \).

Find the reciorocals of the numbers below. The reciprocal of \( \frac{7}{12} \) is \( \square \). The reciprocal of 8 is

21. By selling a tie for ₹ 252 , a shopkeeper gains \( 5 \% \). At what price should he sell the tie to gain \( 35 \% \) ? 22. A shopkeeper sells a bag at \( 12 \% \) profit. If he had sold it for ₹ 39 more, he would have made \( 18 \% \) profit. Find the cost price of the bag for the shopkeeper.

What is the first common multiple of 6 and \( 8 ? \)