8. Gib das Ergebnis in Kilogramm und Gramm an. \[ 6 \frac{5}{8} \mathrm{~kg}+(24 * 18.5 \mathrm{~g})-\left(12 \frac{33}{40} \mathrm{~kg}: 75\right) \] \( \begin{array}{l}\text { Lies die Aufgaben jeweils sorgfältig durch; hier musst du das Resultat in } \\ \text { Kilogramm und Gramm angeben. }\end{array} \)

Q.44. 48 संख्याओं का औसत 78 है। यदि हम प्रत्येक संख्या में से एक संख्या ' \( X \) ' घटा दें, तो औसत 57 हो जाता है। \( X \) का मान कितना है? \( \begin{array}{llll}\text { (a) } 24 & \text { (b) } 22 & \text { (c) } 21 & \text { (d) } 26\end{array} \)

- A teacher has three grade 9 classes with 21,35 and 28 students, respectively The teacher wants to order some mathematical equipment that can be used by groups in each class. What is the largest number of students in a group in each class sa. that each group has the same number of students?

1. Find the value of: (i) \( 2^{6} \)

42. \( 144 \times 2+130 \times 5-10 \times 2 \) का मान तना है?

Event A happens every 15 minutes and event \( B \) happens every 18 minutes, If int A and event \( B \) happened together at 6.00 PM, when is the next time that they if happen together?