If \(x^4+\frac{1}{x^4}=16\) , then what is the value of \(x^2+\frac{1}{x^2}\)?
The table given below shows the cost price and value of profit of 6 articles.
| Articles | Cost price | Profit |
| A | 300 | 50 |
| B | 250 | 25 |
| C | 150 | 100 |
| D | 200 | 150 |
| E | 100 | 75 |
| F | 350 | 125 |
J1 = The value of average cost price of A, B, C and D.
J2 = The total profit of all articles.
What is the value of (J1 : J2) ?
Pitush marks the price of his article 30 percent more than its cost price. If he sells the article for Rs.5720 after allowing a discount of 20 percent, then what will be the cost price of the article ?
The line chart given below shows the number of male teacher and female teachers in 5 schools.
J1 = The total number of male and female teachers in school P.
J2 = The difference between the total number of male and the total number of female teachers in all the 5 schools.
What is the value of (J1 : J2) ?
What is the value of \(\frac{7\text{ of }14\div4}{5\times4\div2}+\frac{6\div12\times3}{5\div25\times2}+\frac{15\div5\times6}{5\times15\div6}\)?