For the following questions answer them individually
ΔPQR is an isosceles triangle and PQ = PR = 2a unit, QR = a unit. Draw PX $$\perp$$ QR, and find the length of PX.
The following pie chart shows the number of workers of different categories A, B, C, D, E, F, G and H in a factory in 1995.
What is the central angle (angular value) for category B of the pie chart?
If, for a non-zerox, $$5x^{2} + 7x+ 5 = 0$$, then the value of $$x^{3} + \frac{1}{x^{3}}$$ is:
A person lent Rs. 23000 to B for 3 years and Rs. 19000 to C for 4 years on simple interest at the same rate of interest and received Rs. 3625 in all from both of them as interest. What is the annual rate of interest?
$$\triangle ABC \sim \cong DEF$$ such that AB = 9.1 cm and DE = 6.5 cm. If the perimeter of $$\triangleD EF = 25$$ cm, then the perimeter of $$\triangle ABC$$ is:
I man and 4 women can complete a work in $$\frac{65}{4}$$ days, while 3 men and 4 women can complete it in $$\frac{12}{2}$$ days. In how many days will 13 women complete the same?
The table given below shows the number of calculator sold by five shopkeepers.
Number of calculator sold by S5 is what percent of the number of calculator sold by S1?