Discussion
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- Question
If x2 + y2 + 6x + 5 = 4(x - y) then x - y is
Options- A. 1
- B. -1
- C. 0
- D. 4
- Correct Answer
- 1
- 1. If Tan ? = 7/24, then what is the value of Sec ??
Options- A. 24/25
- B. 24/7
- C. 25/7
- D. 25/24 Discuss
- 2. If Cosec ? = 17/8, then what is the value of Cos ??
Options- A. 15/8
- B. 15/17
- C. 8/15
- D. 17/15 Discuss
- 3. Slope of the line AB is -2/3. Co-ordinates of points A and B are (x , -3) and (5 , 2) respectively. What is the value of x?
Options- A. 4
- B. -14
- C. 12.5
- D. -4 Discuss
- 4. If a - b = 2 and ab = 8, then what is the value of a3 - b3 ?
Options- A. 65
- B. 34
- C. 43
- D. 56 Discuss
- 5. If 9x+2 = 240 + 9x, the value of (8x)x is
Options- A. 1
- B. -1
- C. 0
- D. 2 Discuss
- 6. If x = 1 + ?2 + ?3 , then the value of 2x4 - 8x3 - 5x2 + 26x - 28 is
Options- A. 2?2
- B. 3?3
- C. 5?5
- D. 6?6 Discuss
- 7. PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ?RST = 65°, the ?PTS =
Options- A. 65°
- B. 130°
- C. 115°
- D. 55° Discuss
- 8. What is the difference between the total sale of English newspapers and the total sale of Hindi newspapers in all the localities together.
Options- A. 7500
- B. 5600
- C. 6500
- D. 5700 Discuss
- 9. x, y and z are prime numbers and x + y + z = 38. What is the maximum value of x?
Options- A. 19
- B. 23
- C. 31
- D. 29 Discuss
- 10. If the roots of the equation a(b ? c)x2 + b(c ? a)x + c(a ? b) = 0 are equal, then which of the following is true?
Options- A. b = ( a + c)/ ac
- B. 2/ b = (1/ a) + (1/ c)
- C. 2 b = (1/ a) + (1/ c)
- D. abc = ab + bc + ca Discuss
Simplification problems
Search Results
Correct Answer: 25/24
Correct Answer: 15/17
Correct Answer: 12.5
Correct Answer: 56
Correct Answer: 2
Correct Answer: 6?6
Correct Answer: 115°
Correct Answer: 6500
Correct Answer: 31
Correct Answer: 2/ b = (1/ a) + (1/ c)
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