Two parallel chords on the same side of the centre of a circle are 12 cm and 20 cm long and the radius of the circle is 5 \(\sqrt{13}\) cm. What is the distance between the chords?
The surface area of a cube is 486 cm2. Find the volume.
In right-angled triangle ABC, ∠B = 90° and angle A and angle C are acute angles. If cosec A = 2√2, then find the value of sin A · cos C + cos A · sin C.
The given table shows the percentage of marks obtained by 5 students in different subjects. Study the table and answer the question that follows. (Maximum marks are given beside subject)
| Students |
Subjects
|
||||
| Physics 300 |
Maths 300 |
Music 100 |
Hindi 100 |
Botany 200 |
|
| Ram | 60 | 80 | 90 | 60 | 95 |
| Shyam | 90 | 70 | 80 | 70 | 40 |
| Sohan | 70 | 90 | 95 | 80 | 75 |
| Mohan | 80 | 60 | 70 | 95 | 80 |
| Karn | 90 | 50 | 85 | 85 | 80 |
What are the marks (in percentage) obtained by Mohan?