4-A sınıfı öğretmeni, öğrencilerin bir yl boyunca okudukları kitapların sayıııı en yakın onluğa yuvarlaya- rak 1260 olduğunu söylemiṣtir. Aṣağıdakilerden hangisi 4-A sınıfı öğrencilerinin okuduğu kitap sayısı olamaz? \( \begin{array}{lll}\text { A) } 1265 & \text { (B) } 1264 & \text { C) } 1261 \\ \text { D) } 1258\end{array} \)

(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) \( \begin{array}{l}\text { Of the } 1020 \\ \text { the top level? }\end{array} \)

Write 196 as a product of its prime factors.

Tick all that apply. 92 is ... P Prime Even Odd Square Cube

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- \( \begin{array}{ll}\text { (1) } 4: 5 & \text { (2) } 3: 2 \\ \text { (3) } 5: 4 & \text { (4) } 2: 3\end{array} \)

In a school Auditorium, there are three types of rows arrangements possible for watching programs: rows of 20 students per row, or rows of 25 students per row, or rows of 40 students per row. Find the least number of students required for any one of these arrangements so that all the students can be accommodated in each of these arrangements.