Discussion
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- Question
If 2x - 3(2x - 2) > x - 1 < 2 + 2x; then x can take which of the following values?
Options- A. 2
- B. -2
- C. 4
- D. -4
- Correct Answer
- -2
- 1. If x - y = 6 and xy = 40, then find x2 + y2 ?
Options- A. 116
- B. 80
- C. 89
- D. 146 Discuss
- 2. If 3x - 8(2 - x) = -19, then the value of x is
Options- A. -3/11
- B. -33/11
- C. -3/5
- D. -33/5 Discuss
- 3. Find the sum of interior angles of a dodecagon?
Options- A. 1620°
- B. 1800°
- C. 1440°
- D. 1260° Discuss
- 4. If 2secA - (1 + sinA)/cosA = x, then the value of x is
Options- A. cosecA/(1+sinA)
- B. cosA/(1+sinA)
- C. cosA(1+sinA)
- D. cosecA(1+sinA) Discuss
- 5. If tan(A/2) = x, then the value of x is
Options- A. sinA/(1 - cosA)
- B. sinA/(1 + cosA)
- C. ?[sinA/(1 + cosA)]
- D. ?[sinA/(1 - cosA)] Discuss
- 6. What is the value of cosec 120°
Options- A. 2/?3
- B. 2
- C. -2/?3
- D. -2 Discuss
- 7. What should be added to 5(2x-y) to obtain 4(2x - 3y) + 5(x + 4y)?
Options- A. 3x - 13y
- B. 3x + 13y
- C. 13x - 3y
- D. 13x + 3y Discuss
- 8. If 3(2 - 3x) < 2 - 3x ? 4x -6; then x can take which of the following values?
Options- A. 2
- B. -1
- C. -2
- D. 1 Discuss
- 9. If sec2A + cosec2A = X , then the value of X is
Options- A. tan2A cot2A
- B. sinA cosA
- C. secA cosecA
- D. sec2A cosec2A Discuss
- 10. If (4x - 3) - (2x + 1) = 4, then the value of x is
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
Simplification problems
Search Results
Correct Answer: 116
Correct Answer: -3/11
Correct Answer: 1800°
Correct Answer: cosA/(1+sinA)
Correct Answer: sinA/(1 + cosA)
Correct Answer: 2/?3
Correct Answer: 3x + 13y
Correct Answer: 1
Correct Answer: sec2A cosec2A
Correct Answer: 2
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