13. A seller uses 930 gm in place of one kg to sell his goods. Find his actual \% profit or loss, when he sells his article on \( 3 \% \) gain on cost price : \( \begin{array}{ll}\text { (a) } 8 \frac{70}{93} \% & \text { (b) } 9 \frac{10}{93} \% \\ \text { (c) } 10 \frac{70}{93} \% & \text { (d) None of these }\end{array} \)

Is the number 14 a prime number? Explain why or why not.

13) What is \( 270 \% \) of 60 ? \( \begin{array}{ll}\text { 15) } 87 \% \text { of } 41 \text { is what? } & \text { 14) } 73 \% \text { of what is } 156.4 \text { ? } \\ \text { 17) What percent of } 88.6 \text { is } 70 ? & \text { 16) } 9 \text { is what percent of } 84 ?\end{array} \)

7. 63459 sayısındaki rakamiarın yerieri değiştirilerek yazılabilen 5 basamaklı sayıların kaçııın 5 ile bölümünden ka- lan 4 tür? \( \begin{array}{llll}\text { A) } 24 & \text { B) } 36 & \text { C) } 48\end{array} \)

The population of a place in a particular year increased by \( 15 \% \). Nexty cal, net increase or decrease percent in the intial population. ₹ 648 is divided into three fricuds Raghav, Anil and Sobha. Anil gets \( \frac{4}{5} \) of amount that Raghav gets and Sobha got \( 75 \% \) of amount that Anil got. How much money did each one of them got?

23. Raúl gana \( \$ 1800 \) pesos a la semana, pero paga \( \frac{2}{5} \) de su sueldo para su viaje de graduo- ción; ¿cuánto dinero representa la fracción?