For the following questions answer them individually
In the given figure
XYZ is a secant and ZT is a tangent. What is the value of x.
If a = 355, b = 356, c = 357,then find the value of $$a^3 + b^3 + c^3 - 3abc$$.
Find the value of $$225-[42-\left\{25-(18-\overline{18+13})\right\}]$$.
How many men will be required to plough 50 acres of land in 10 days if 15 men required 6 days to plough 10 acres of land?
Rakesh walking at the speed of 8 km/h crosses a bridge in 30 minutes. What is the length of the bridge in kilometres?
Rita's income is 15% less than Richa's income. By what percent is Richa's income more than Rita's income?
The area of the largest triangle that can be inscribed in a semi-circle of radius 4 cm in square centimetres is
If 2a + 3b = 8 and ab = 5, thenfind the value of $$4a^2 + 9b^2.$$
In $$\triangle$$XYZ, if G is the centroid and XL is the median with length 18 cm, then the length of XG is:
Given that the mean of five numbers is 28. If one of them is excluded, the mean gets reduced by 5. Determine the excluded number.