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- Question
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)
- Correct Answer
- ( 0, -3)
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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 Discuss
- 6. What is the value of 1/?2 Cot 30° + 1/?3 Cosec 60°?
Options- A. (3?3 + 2?2)/3?2
- B. (3?3 - 2?2)/3?2
- C. (3?3 + 2?2)/?2
- D. (3?3 - 2?2)/?2 Discuss
- 7. ? ABC is right angled at B. If m?A = 60°, then what is the value of 2 Sec C x 1/2 Sin A?
Options- A. 1/2
- B. 1/3
- C. 1
- D. 1/?2 Discuss
- 8. If Tan ? = 7/24, then what is the value of Cosec ??
Options- A. 25/24
- B. 25/7
- C. 24/7
- D. 24/25 Discuss
- 9. Simplify : -21973 × -1253 ÷ 275123
Options- A. 492/7
- B. 520/3
- C. 554/7
- D. 571/5 Discuss
- 10. A and B have their annual average income Rs. 80,000. B and C have their annual average income Rs. 75,000. C and A have their annual average income Rs. 78,000. The annual income of A is ?
Options- A. Rs. 81000
- B. Rs. 82000
- C. Rs. 83000
- D. Rs. 84000 Discuss
Simplification problems
Search Results
Correct Answer: (3 , 5)
Correct Answer: 7/3
Correct Answer: 3
Correct Answer: 9/4
Correct Answer: 9
Correct Answer: (3?3 + 2?2)/3?2
Correct Answer: 1
Correct Answer: 25/7
Correct Answer: 520/3
Correct Answer: Rs. 83000
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