Discussion
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- Question
If a + b = 8 and ab = 15, then what is the value of a3 + b3?
Options- A. 98
- B. 152
- C. 124
- D. 260
- Correct Answer
- 152
- 1. If 7x - (3/2) * (4x - 9) = 6.5, then the value of x is?
Options- A. 7
- B. 20
- C. -7
- D. -20 Discuss
- 2. If Sec ? = 13/12, then Cot ? = ?
Options- A. 12/5
- B. 13/5
- C. 5/13
- D. 5/12 Discuss
- 3. ? XYZ is right angled at Y. If m?Z = 60°, what is the length of YZ (in cm), if ZX = 3?3 cm?
Options- A. 3?3/2
- B. 3?3
- C. 9
- D. 6 Discuss
- 4. What is the value of Sin 30° + 2 Cos 30° ?
Options- A. (2?2 + 3)/?6
- B. (9 + 2?3)/9
- C. (1 + 2?3)/2
- D. (2?6 + 1)/?3 Discuss
- 5. ax + 3y = 6 has slope -2/3. What is the value of a?
Options- A. -2
- B. 2
- C. 3
- D. -3 Discuss
- 6. Point A (4 , 2) divides segment BC in the ratio 2:5. Co-ordinates of B are (2 , 6) and C are (7 , y). What is the value of y?
Options- A. 8
- B. -8
- C. 6
- D. -6 Discuss
- 7. Tan 45° + Cosec 60° =
Options- A. (1 + 2?2)/2
- B. (?3 + 2)/?6
- C. 5/?3
- D. (3 + 2?3)/3 Discuss
- 8. ?XYZ is right angled at Y. If m?Z = 60°, then Cosec X =
Options- A. 2
- B. 1/2
- C. 1/?2
- D. 1/?3 Discuss
- 9. If Cosec ? = 17/8, then Cot ? = ?
Options- A. 17/8
- B. 15/8
- C. 8/15
- D. 17/15 Discuss
- 10. What is the area (in sq cm) of a regular hexagon of side 9 cm?
Options- A. 50?3
- B. 300?3
- C. 243?3/2
- D. 200?3 Discuss
Simplification problems
Search Results
Correct Answer: -7
Correct Answer: 12/5
Correct Answer: 3?3/2
Correct Answer: (1 + 2?3)/2
Correct Answer: 2
Correct Answer: -8
Correct Answer: (3 + 2?3)/3
Correct Answer: 2
Correct Answer: 15/8
Correct Answer: 243?3/2
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