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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(-2, 2)?
Options- A. (1 , -1)
- B. (-1 , 1)
- C. (2 , -2)
- D. (-2 , 2)
- Correct Answer
- (1 , -1)
- 1. What is the reflection of the point (5, 2) in the line x = -3?
Options- A. (-11 ,2)
- B. (-11 ,-2)
- C. (11 ,-2)
- D. (11 ,2) Discuss
- 2. What is the sum of the first 12 terms of an arithmetic progression if the 3rd term is -13 and the 6th term is -4?
Options- A. 67
- B. 45
- C. -30
- D. -48 Discuss
- 3. If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?
Options- A. 5
- B. 7
- C. 1
- D. -5 Discuss
- 4. If [7(5x/3 - 3/2)]/2 + 3/2 = 1/4, then what is the value of x?
Options- A. 35/24
- B. 24/35
- C. -24/35
- D. -35/24 Discuss
- 5. A, B and C can finish a job working alone in 72, 24 and 36 days respectively. In how many days they can finish the job if they worked together?
Options- A. 12
- B. 9
- C. 15
- D. 18 Discuss
- 6. Slope of the line AB is -4/3. Co-ordinates of points A and B are (x, -5) and (-5, 3) respectively. What is the value of x?
Options- A. -1
- B. 2
- C. -2
- D. 1 Discuss
- 7. What is the value of ?2 Sec 45 - Tan 30?
Options- A. (2?3 - 1)/3
- B. (?3 - 1)/?3
- C. (2?3 - 1)/?3
- D. (?3 - 1)/3 Discuss
- 8. ?ABC is right angled at B. If m ?A = 60°, then what is the value of 1/?3 Cosec C?
Options- A. 2/?3
- B. 2/3
- C. ?2/?3
- D. ?2/3 Discuss
- 9. Two labourers A and B are paid a total of Rs. 1120 per day. If A is paid 180 percent of what is paid to B, how much (in Rs) is B paid?
Options- A. 400
- B. 720
- C. 500
- D. 620 Discuss
- 10. If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?
Options- A. 1/4
- B. -1/4
- C. 4
- D. -4 Discuss
Simplification problems
Search Results
Correct Answer: (-11 ,2)
Correct Answer: -30
Correct Answer: 1
Correct Answer: 24/35
Correct Answer: 12
Correct Answer: 1
Correct Answer: (2?3 - 1)/?3
Correct Answer: 2/?3
Correct Answer: 400
Correct Answer: 1/4
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