For the following questions answer them individually
A can do a piece of work in 10 days. B can do it in 15 days. With the assistance of they completed the work in 5 days. Find in how many days C alone can do it?
After deducting 20% from a certain sum, and then 10% from the remainder, there is Rs. 7,200 left. Find the original sum.
The value of $$\frac{\left\{(m^{2}+n^{2})(m-n)(m-n)^{3}\right\}}{(m^{2}n-mn^{2})}$$ is:
If x + y + z = 8, and $$x^{2}+ y^{2} + z^{2} = 20$$ then the value of $$x^{3} + y^{3} + z^{3} -3xyz$$ is _______.
Solve the following equation.
$$123 \times (16^{2} − 14^{2}− 40) \div 2 − 9^{4}$$ = ________.
Study the given bar graph to answer the following question. The bar graph shows the length (in thousand kilometers) of mountains, forests and rivers in different states.
The length of mountains in Punjab is what percentage more than the length of rivers in Odisha?
Study the given table and answer the question that follows.
The table shows the consumption of various grains by a total of four families of four members each from 2002 to 2005.
For the total of these four families, what is the difference (in kg) between the average consumption per year of wheat and that of oats?
Given tliat A and B are second quadrant angles, $$\sin A = \frac{1}{3}$$ and $$\sin B = \frac{1}{5}$$