Discussion
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- Question
The distance between the points (2, 7) and (k, -5) is 13. What is the value of k?
Options- A. -7
- B. 7
- C. 6
- D. -6
- Correct Answer
- 7
- 1. If a - b = 4 and ab = -3, then what is the value of a3- b3 ?
Options- A. 21
- B. 28
- C. 23
- D. -20 Discuss
- 2. If [4(2x/5 - 3/2)]/3 + 7/5 = 37/5, then what is the value of x?
Options- A. -15
- B. 7/5
- C. 15
- D. -7/5 Discuss
- 3. If Cos ? = 35/37, then what is the value of Cosec ??
Options- A. 37/12
- B. 33/12
- C. 35/12
- D. 12/35 Discuss
- 4. ? LMN is right angled at M. If m ?N = 45 ° . What is the length (in cm) of MN, if NL = 6?2 cm?
Options- A. 3
- B. 4
- C. 2
- D. 6 Discuss
- 5. What is the value of Sin 60° + (1/2)Cosec 45°?
Options- A. (?3 + 2)/2
- B. (?3 + ?2)/?2
- C. (?3 + 2)/?2
- D. (?3 + ?2)/2 Discuss
- 6. What is the equation of the line perpendicular to the line 5x + 3y = 6 and having Y-intercept -3?
Options- A. 3x - 5y = 15
- B. 3x + 5y = 15
- C. 3x - 5y = -15
- D. 3x + 5y = -15 Discuss
- 7. D and E are points on side AB and AC of ?ABC. DE is parallel to BC. If AD:DB = 2:5 and area of ?ADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?
Options- A. 98
- B. 94
- C. 90
- D. 86 Discuss
- 8. What is the value of Sin 30- ?2 Cos 30
Options- A. (1 - ?6)/?2
- B. (1 - ?6)/2
- C. (3 - ?6)/2
- D. (3 - ?6)/?2 Discuss
- 9. ? XYZ is right angled at Y. If m ?Z = 60. What is the length (in cm) of YZ, if ZX = 9?3 cm?
Options- A. 3?3
- B. 3?3/2
- C. 9?3/2
- D. ?3 Discuss
- 10. If Sec ? = 13/12, then what is the value of Sin ??
Options- A. 5/13
- B. 12/5
- C. 12/13
- D. 5/12 Discuss
Simplification problems
Search Results
Correct Answer: 28
Correct Answer: 15
Correct Answer: 37/12
Correct Answer: 6
Correct Answer: (?3 + ?2)/2
Correct Answer: 3x - 5y = 15
Correct Answer: 90
Correct Answer: (1 - ?6)/2
Correct Answer: 9?3/2
Correct Answer: 5/13
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