The pie chart given below shows the sales of 7 different companies. The toal sales of all these 7 companies is 2160. The sale of a particular company is shown in terms of degree with respect to the total sales of all these 7 companies.
The total sales of P, R and S are how much percent less than the total sales of Q, T and U?
What is the value of
\[
\sqrt{\frac{1 + \cos \theta}{1 - \cos \theta}} \;+\; \sqrt{\frac{1 - \cos \theta}{1 + \cos \theta}} \;=\; \_\_\_\_\_
\]
The table given below shows the marks obtained by two students in 6 subjects.
| Subjects | Students A | Students B |
| P | 180 | 90 |
| Q | 240 | 420 |
| R | 360 | 390 |
| S | 300 | 210 |
| T | 60 | 270 |
| U | 330 | 120 |
What is the difference between the total marks obtained by A and B in all the 6 subjects?
ΔABC and ΔDEF are congruent respectively. If AB = 6 = DE, BC = 8 = EF and m ∠B = 30°, then m ∠D + m ∠C =
The following table gives the percentage of marks obtained by six students in six different subjects in an examination.
| English (100) | Science (100) | Mathematics (100) | Social Science (100) | Hindi (100) | Computer Science (100) |
| 75 | 58 | 72 | 68 | 63 | 73 |
| 82 | 85 | 74 | 36 | 52 | 65 |
| 65 | 58 | 61 | 63 | 68 | 75 |
| 84 | 78 | 72 | 73 | 65 | 68 |
| 78 | 72 | 59 | 63 | 71 | 72 |
| 74 | 68 | 75 | 82 | 88 | 86 |
The number of students who obtained 60% marks and above in all subjects is:
Which of the following statement is correct?
I. The value of 100² - 99² + 98² - 97² + 96² - 95² + 94² - 93² + ..... + 22² - 21² is 4840.
II. The value of