The table shows the distribution of marks obtained by som...
The table shows the distribution of marks obtained by some students in a test
| Marks | 0-9 | 10-19 | 20-29 | 30-39 | 40-49 |
| Frequency | 4 | 12 | 16 | 6 | 2 |
Find the modal class mark.
4.5
14.5
24.5
34.5
Correct answer is C
Modal class 20 - 29
Modal class mark = \(\frac{20+29}{2}\)
= \(\frac{49}{2}\)
= 24.5
Given that \(P = \begin{pmatrix} 4 & 9 \end{pmatrix}\) and \(Q = \begin{pmatrix} -1 & -2 \\ ...
If \(P = \begin{pmatrix} 1 & -2 \\ 3 & 4 \end{pmatrix}\) and \(Q = \begin{pmatrix} -2 & ...
Find the sum of the exponential series \(96 + 24 + 6 +...\)...
Find the equation of the normal to the curve y= 2x\(^2\) - 5x + 10 at P(1, 7)...
If \(\log_{3} x = \log_{9} 3\), find the value of x....
Simplify: \(\frac{\cos 2\theta - 1}{\sin 2\theta}\)...
If \(f(x) = \frac{4}{x} - 1, x \neq 0\), find \(f^{-1}(7)\)....
Solve, correct to three significant figures, (0.3)\(^x\) = (0,5)\(^8\)...