For the following questions answer them individually
The diameter of a solid hemisphere is 10 cm. Find its total surface area (use $$\pi=3.14$$).
A cone-shaped temple top has slant height of 10 m and radius of base is 11 m. Find the total cost for painting its curved surface area at the rate of ₹7/$$m^{2}$$ [Use $$\pi = \frac{22}{7}$$]
Two numbers, A and B, are such that the sum of 10% of A and 8% of B is $$\frac{3}{5}$$ th of the sum of 12% of A and 16% of B. The ratio A : 8 is:
$$\left[2\frac{1}{4}\div\frac{3}{4}\right] + \left[5\frac{2}{3}\div\frac{17}{13}\right] - \left[3\frac{1}{3}\times\frac{6}{5}\right] + \left[17.98\div6.2\right] + \left[1.25\div0.5\right]=?$$
Which phylum of the Kingdom Animalia includes animals such as Hydra, Adamsia, Physalia and Corals?
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