9
10
12
15
Correct answer is B
\(a = 2\frac{1}{2}, nth = a + (n-1)d \Rightarrow 25 = 2\frac{1}{2} + (n-1)2\frac{1}{2}\\
25 = \frac{5}{2}+(n-1)\frac{5}{2} \Rightarrow 22\frac{1}{2} = \frac{5n-5}{2}\Rightarrow \frac{45}{2} = \frac{5n-5}{2}\\
45 = 5n - 5 \Rightarrow 5n = 50 \Rightarrow n = 10\)
Given: U = {Even numbers between 0 and 30} P = {Multiples of 6 between 0 and 30} Q = {Multiples o...
A binary operation * on the set of rational numbers is defined as \(x \ast y = \frac{x^2 - y^2}...
Given that m = -3 and n = 2 find the value of \(\frac{3n^2 - 2m^3}{m}\)...
Given that x = 2 and y = -\(\frac{1}{4}\), evaluate \(\frac{x^2y - 2xy}{5}\)...
In the diagram, line \(\overline{EC}\) is a diameter of the circle ABCDE. If angle ABC equals ...