For the following questions answer them individually
Two parallel chords are drawn in a circle of diameter 20 cm. The length of one chord is 16 cm and the distance between the two chords is 12 cm. The length of the other chord is:
If $$x + \frac{1}{x} = 8$$, then find the value of $$\frac{5x}{x^2 + 1 - 6x}$$
If x = 255, y = 256, z = 257, then find the value of $$x^3 + y^3 + z^3 — 3xyz.$$
Find x if $$\cos x = -\frac{1}{2}$$, $$\frac{\pi\ }{4}<x<\pi\ $$
The perimeter and length of a rectangle are in the ratio of 8 : 1, and the area of the rectangle is $$1323 cm^2$$. Find the length of the rectangle.
The following graph shows the sales of cars (in thousands) in four cities in 4 years. Study the graph and answer the question.
In which year, the sales are highest?
Which city has the highest percentage of sales, and in which year?
For the following questions answer them individually
If $$\sin \theta - \cos \theta = \frac{7}{17},$$ then find the value of $$\sin \theta + \cos \theta$$.
A man buys an article for $$₹ 3,200$$ and sells it at a loss of 12%. What is the selling price of the article?