Mathematics
Find the mode of the following distribution by drawing a histogram :
| C.I. | Frequency |
|---|---|
| 1-6 | 6 |
| 7-12 | 12 |
| 13-18 | 20 |
| 19-24 | 15 |
| 25-30 | 9 |
Related Questions
O is the center of the circumcircle of △ XYZ. Tangents at points X and Y meet each other at point T. If ∠XOZ = 140° and angle XTY = 80°, find angle ZXY.

In rhombus ABCD, A(7, 3) and C(0, -4) are two opposite vertices. Find :
(i) mid-point of diagonal AC
(ii) mid-point of diagonal BD
(iii) slope of diagonal AC
(iv) the equation of diagonal BD.