For the following questions answer them individually
Length of the chord AB of a circle is equal to the radius of the circle. What will be the angle subtended by the chord at the centre of the circle?
If $$\frac{x^{2} - 1}{x} = 8$$, then what is the value of $$\frac{x^{6} - 1}{x^{3}} = ?$$
Radius of a circle is 10 cm. What will be the angle made by a chord of length 20 cm on the circumference of this circle?
12 men can do a work in 8 days while 4 boys can do it in 40 days. In how many days 9 boys and 3 men together will complete the same work?
If $$6\cot \theta = 5$$ then find the value of $$(6\cos \theta + \sin \theta)/(6\cos \theta - 4\sin \theta)$$
The Line chart given below shows the expenditure of two companies R and S in different years.
With of the following statement is NOT correct?
I. The expenditure of R in year Y1 and Y2 together is (Approximate) 81.66 percent of the expenditure of S in year Y3 and Y4 together
II. The total expenditure of company S is (Approximate, 112.12 percent of the total expenditure of company R.
The following bar graph shows receipts and expenditure by a business firm over 5 years.
Gain = Receipts - Expenditure.
In which year did the company gain the minimum amount?
A chair is marked for Rs.210 and sold for Rs.189 . Find the discount rate for this transaction.
The ratio of the volume of first and second cylinder is 32 : 9 and the ratio of their heights is 8 : 9. If thee area of the base of the second cylinder is 616 $$cm^{2}$$, then what will be the radius of the first cylinder?
$$\triangle$$EFG is a right angled triangle. $$\angle$$ F = 90 degree. EF = 10 cm and FG = 15 cm . What is the value of $$\cosec$$ G?