Воля. Выполните действия: а) \( 30 \frac{16}{43}+42 \frac{19}{43}+9 \frac{8}{43} \) б) \( 4 \frac{112}{113}+7 \frac{101}{113} \) в) \( 21 \frac{29}{48}-4 \frac{5}{48} \) г) \( 180-\frac{179}{180} \) д) \( 23 \frac{4}{19}-22 \frac{7}{19} \)

A company was penalized by the government act for low quality production. If the company has 3 share holders Umer, Usman \& \( \& \) Furqan investing in the ratios of \( 2: 3: 4 \) and the amount of penalty is Rs. 456 , 885 , 67 . Find the amount of penalty paid by each of 3 share holders.

0. On a winter day, the temperature of Namche Bazar in the morning was \( -5^{\circ} \mathrm{C} \). It is increased by \( 10^{\circ} \mathrm{C} \) in the day time and again decreased by \( 6^{\circ} \mathrm{C} \) in the evening. a) Show this information in a number line. b) Write a mathematical expression to show the given information. c) Calculate the temperature of Namche Bazar in the evening.

अलग-अलुग कीमतों वाले दो तटह के दूध \( 2: 3 \) अनुपात कें किलाए जाते हैं। यदि पहले दूध की कीमत रूपये/लीटर तथा दूसटे दूध की कीमत 15 रूपये/लीटर तो मिश्रण का औसत मूल्य (प्रति लीटर) ज्ञात करें?

51. एक आदमी 5000 रू. की धनराशि का कुछ भाग \( 4 \% \) तथा शेष \( 5 \% \) की साधारण ब्याज दर पर उधार देता है। उसे 2 वर्ष्षों के बाद कुल ब्याज 440 रू. मिलता है। उपरोक्त दरों में से प्रत्येक पर लगाई गई राशि का अनुपात बताए- \( \begin{array}{ll}\text { (1) } 4: 5 & \text { (2) } 3: 2 \\ \text { (3) } 5: 4 & \text { (4) } 2: 3\end{array} \)

(b) A two-storey car park has a total of 1020 parking spaces. At \( 06: 30 \) hours one morning, \( \frac{1}{30} \) of the 1020 spaces are filled. During the next hour, no cars left the car park but another \( \frac{4}{15} \) of the 1020 spaces are filled. Determine the number of parking spaces that are NOT filled at \( 07: 30 \) hours. (c) \( \begin{array}{l}\text { Of the } 1020 \\ \text { the top level? }\end{array} \)