<h2>Given :-</h2>
- Cost of school exercise book was Rs. 10
- Now , she had to pay Rs. 12 for it .
<h2>To Find :-</h2>
- The increase percentage of price of that book .
<h2>Solution :-</h2>


<u>According</u><u> </u><u>to</u><u> </u><u>the question</u><u>, </u>
→ Increase of Price = ( Rs. 12 - Rs. 10 )
⇒ Rs. 2
→ Initial Value = Rs. 10
Let's solve by putting the values in the formula !

⇝2×10%
⇝20%
∴ The percent of increase in price of that school exercise book is 20 %
Answer:
La UNESCO busca proteger el patrimonio cultural inmaterial y asegurar su conservación y el desarrollo sostenible. De acuerdo a esto, las ventajas que trae la incorporación de nuestro Patrimonio Cultural a la UNESCO son:
-Preservación del patrimonio
-Promoción a nivel internacional
-Aumento del turismo
-Mayor prestigio
-Aumento en los ingresos
-Es posible obtener financiación del Fondo para la Conservación del Patrimonio Mundial para la protección del patrimonio.
<span>Laurence Peter believes that in a bureaucracy, employees often are promoted beyond their level of competence. He was a Canadian educator and was known for formulating the Peter Principle which states, "P</span><span>eople are promoted into positions they are not qualified to perform."</span>
The answer is: directional research hypothesis
directional research hypothesis is a form of prediction that initiated in order to guess whether two variables would experience some sort of positive or negative changes. In the example above, boys and girls are the variables and whether they agree or disagree with school rules are the changes.