Discussion
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- Question
If (x ? 2)2 + (y + 3)2 + (z ? 15)2 = 0 , then what is the value of x + y + z ? 5?
Options- A. 5
- B. 9
- C. 15
- D. 20
- Correct Answer
- 9
- 1. What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?
Options- A. 1/2
- B. 1/?2
- C. 1
- D. 1/3 Discuss
- 2. If Cot ? = 21/20, then what is the value of Cosec ??
Options- A. 21/29
- B. 29/21
- C. 20/29
- D. 29/20 Discuss
- 3. What is the value of Cot 45° - (1/?3)Cosec 60°?
Options- A. 1/?3
- B. 1/2
- C. 1/?2
- D. 1/3 Discuss
- 4. ax + 5y = 8 has slope of -4/3. What is the value of a?
Options- A. 20/3
- B. 3/20
- C. -20/3
- D. -3/20 Discuss
- 5. Sum of a fraction and thrice of its reciprocal is 73/20. What is the fraction?
Options- A. 4/5
- B. 9/4
- C. 4/9
- D. 5/4 Discuss
- 6. If 2x/3 - [5(4x/5 - 4/3)]/2 = 1/3, then what is the value of x?
Options- A. 9/4
- B. 4/9
- C. -9/4
- D. -4/9 Discuss
- 7. If a3 + b3 = 28 and a + b = 4, then what is the value of ab?
Options- A. -3
- B. 2
- C. 8
- D. 3 Discuss
- 8. 6 times a fraction is greater than 7 times its reciprocal by 11. What is the fraction?
Options- A. 5/3
- B. 7/3
- C. 5/4
- D. 4/5 Discuss
- 9. What is the reflection of the point (-1 , 5) in the line x = 1?
Options- A. (3 , -5)
- B. (-3 , -5)
- C. (3 , 5)
- D. (-3 , 5) Discuss
- 10. What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(-4, 0) and C(3, -4)?
Options- A. ( 0, 3)
- B. ( 0, -3)
- C. ( 0, -5)
- D. ( 0, 5) Discuss
Simplification problems
Search Results
Correct Answer: 1
Correct Answer: 29/20
Correct Answer: 1/3
Correct Answer: 20/3
Correct Answer: 5/4
Correct Answer: 9/4
Correct Answer: 3
Correct Answer: 7/3
Correct Answer: (3 , 5)
Correct Answer: ( 0, -3)
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