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 \(y^2 + xy = 5,find \frac{dy}{dx}\)...
Consider the statements: x: Birds fly y: The sky is blue Which of the following statements ...
If 2y\(^2\) + 7 = 3y - xy, find \(\frac{dy}{dx}\)...
In how many ways can 9 people be seated on a bench if only 3 places are available? ...
Marks 5-7 8-10 11-13 14-16 17-19 20-22 No of students 4 7 26 41 14 8 T...
Given \(\begin{vmatrix} 2 & -3 \\ 1 & 4 \end{vmatrix} \begin{vmatrix} -6 \\ k...
Find the equation of a circle with centre (2, -3) and radius 2 units. ...