Five companies employed \( 2340,3455,765,960 \) and 1350 workers. The first t companies laid off 1 worker for every 5 while the other three recruited 2 new every 3 . a) What was the total number of workers at the beginning?

A pool in the shape of a rectangular prism has dimensions of 8 meters long, 6 meters wide, and 2 meters deep. If the pool is empty, how many liters of water can it hold when full? (Note: 1 cubic meter = 1000 liters)

2. \( \frac{2}{9} \mathrm{u} 24 \) olan sayının \( \frac{5}{12} \) si kaçtır? \( 1 \$ 1 \) \( \begin{array}{llll}\text { A) } 42 & \text { B) } 45 & \text { C) } 48 & \text { D) } 51\end{array} \)

If \( 3^2 \) is calculated, what is the result?

18. How many \( \frac{1}{4} \) s together make \( 41 \frac{1}{2} \) ? \( \begin{array}{llll}\text { (a) } 82 & \text { (b) } 83 & \text { (c) } 160 & \text { (d) } 166\end{array} \)

1. Weight of apple comprises \( 75 \% \) of water. Weight of water in 120 kg of apple is \( \begin{array}{ll}\text { (a) } 100 \mathrm{~kg} & \text { (b) } 95 \mathrm{~kg} \\ \text { (c) } 90 \mathrm{~kg} & \text { (d) } 80 \mathrm{~kg}\end{array} \)