Discussion
Home ‣ Aptitude ‣ Simplification Comments
- Question
If 1aa2+1 = 3, then the value of a6+1a3 is
Options- A. 9
- B. 18
- C. 27
- D. 1
- Correct Answer
- 18
- 1. If (x+1/x) = 5, then the value of 5xx2+5x+1 ?
Options- A. 1/3
- B. 1/4
- C. 1/2
- D. 1/5 Discuss
- 2. The value of Cot17°Cot73°Cos222° + 1Cot17°Sec268° is
Options- A. 0
- B. 1
- C. 2
- D. ?3 Discuss
- 3. If x+y+z = 1, 1/x + 1/y + 1/z = 1 and xyz = -1, then x3+y3+z3 is equal to
Options- A. -1
- B. 1
- C. -2
- D. 2 Discuss
- 4. If 2+aa + 2+bb + 2+cc = 4 , then the value of ab+bc+caabc is
Options- A. 2
- B. 1
- C. 0
- D. 1/2 Discuss
- 5. If ?>0 , be an acute angle, then the value of it in degrees satisfying cos2?-3cos?+2sin2?=1 is
Options- A. 90°
- B. 30°
- C. 45°
- D. 60° Discuss
- 6. If a = ?2 + 1, b = ?2 - 1 then the value of 1a+1+1b+1 ?
Options- A. 0
- B. 1
- C. 2
- D. 3 Discuss
- 7. ? is a positive acute angle and sin? cos? = 0, then the value of sec? + cosec? is
Options- A. 2
- B. ?2
- C. 2?2
- D. 3?2 Discuss
- 8. The value of 2 Tan53°Cot37°-Cot80°Tan10° ?
Options- A. 3
- B. 2
- C. 1
- D. 0 Discuss
- 9. If x , y, and z are real numbers such that (x - 3)2 + (y - 4)2 + (z - 5)2 = 0 then (x+y+z) is equal to
Options- A. -12
- B. 0
- C. 8
- D. 12 Discuss
- 10. If 2x+13x = 5 , the value of 5x6x2+20x+1 is
Options- A. 1/4
- B. 1/6
- C. 1/5
- D. 1/7 Discuss
Simplification problems
Search Results
Correct Answer: 1/2
Correct Answer: 1
Correct Answer: 1
Correct Answer: 1/2
Correct Answer: 60°
Correct Answer: 1
Correct Answer: 2?2
Correct Answer: 1
Correct Answer: 12
Correct Answer: 1/7
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