Discussion
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- Question
If a3+ b3 = 19 and a + b = 1, then what is the value of ab?
Options- A. 5
- B. -6
- C. 7
- D. -9
- Correct Answer
- -6
- 1. If x/3 - [5(7x/5 - 4/3)]/2 = -x/6, then what is the value of x?
Options- A. 10/9
- B. -10/9
- C. -9/10
- D. 9/10 Discuss
- 2. ? XYZ is right angled at Y. If m?Z = 60°, then what is the value of (1/?2) Sec X?
Options- A. 2/?3
- B. 1/?6
- C. 1/?3
- D. 2/?6 Discuss
- 3. What is the value of Tan 60 + Cosec 60?
Options- A. 5/3
- B. 2/?3
- C. 5/?3
- D. 2/3 Discuss
- 4. The areas of two similar triangles ?ABC and ?PQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?
Options- A. 7.25
- B. 6.25
- C. 16.5
- D. 5.25 Discuss
- 5. At what point does the line 3x + 2y = 12 cuts the Y-axis?
Options- A. (0, 6)
- B. (0, -6)
- C. (6, 0)
- D. (-6, 0) Discuss
- 6. A fraction is greater than its reciprocal by (72)/(77). What is the fraction?
Options- A. 7/11
- B. 11/7
- C. 4/7
- D. 7/4 Discuss
- 7. What is the value of (1/?2) Cot 45° + (1/?3) Cosec 60°?
Options- A. (?6 + 1)/?3
- B. ?3
- C. (1 + 3?2)/?3
- D. (3 + 2?2)/3?2 Discuss
- 8. ? ABC is right angled at B. If m?A = 60°, then what is the value of sec C.sin A?
Options- A. 2/?3
- B. ?3/2
- C. 2/3
- D. 1 Discuss
- 9. If [2(4x/5 - 3/4)]/3 - 5/3 = -1/6, then the value of x is?
Options- A. 4/15
- B. -15/4
- C. -4/15
- D. 15/4 Discuss
- 10. If a3 + b3 = 35 and ab = 6, then what is the value of a + b?
Options- A. 5
- B. 8
- C. 2
- D. -8 Discuss
Simplification problems
Search Results
Correct Answer: 10/9
Correct Answer: 2/?6
Correct Answer: 5/?3
Correct Answer: 16.5
Correct Answer: (0, 6)
Correct Answer: 11/7
Correct Answer: (3 + 2?2)/3?2
Correct Answer: 1
Correct Answer: 15/4
Correct Answer: 5
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