Discussion
Home ‣ Aptitude ‣ Simplification Comments
- Question
What is the value of sin(11?/6)?
Options- A. 2/?3
- B. -2/?3
- C. -1/2
- D. 1/2
- Correct Answer
- -1/2
- 1. The simplified form of (x + 3)2 + (x - 1)2 is
Options- A. (x2 + 2x + 5)
- B. 2(x2 + 2x + 5)
- C. (x2 - 2x + 5)
- D. 2(x2 - 2x + 5) Discuss
- 2. If a ? b = 11 and ab = 24, then value of a2 + b2 is
Options- A. 169
- B. 37
- C. 73
- D. 48 Discuss
- 3. P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.
Options- A. x - 3y = -2
- B. 3x + y = 4
- C. 3x + y = -4
- D. x - 3y = 2 Discuss
- 4. If 1/(tanA + cotA) = x, then value of x is
Options- A. cosAsinA
- B. cos2Asin2A
- C. cosecAsecA
- D. cosec2Asec2A Discuss
- 5. If 2x- 3(4-2x) < 4x - 5 < 4x + 2x/3, then x can take which of the following values?
Options- A. 2
- B. 8
- C. 0
- D. -8 Discuss
- 6. If sinC - sinD = x, then value of x is
Options- A. 2sin[(C+D)/2]cos[(C-D)/2]
- B. 2cos[(C+D)/2]cos[(C-D)/2]
- C. 2cos[(C+D)/2]sin[(C-D)/2]
- D. 2sin[(C+D)/2]sin[(D-C)/2] Discuss
- 7. What is the simplest form of (1 + cosA)(cosecA cotA)?
Options- A. cosA
- B. tanA
- C. cotA
- D. sinA Discuss
- 8. What should be added to 3(x - 2y) to obtain 2(3x + y) - 5(2x + 3)?
Options- A. 8y - 7x - 15
- B. 8y - 7x + 15
- C. 8y + 7x + 15
- D. 8y + 7x - 15 Discuss
- 9. 2sinAsinB is equal to
Options- A. sin(A+B) + sin(A-B)
- B. cos(A-- cos(A+B)
- C. sin(A+B) - sin(A-B)
- D. cos(A+B) + cos(A-B) Discuss
- 10. For triangle PQR, what is the equation of altitude PS if coordinates of P, Q and R are (5,1), (0,4) and (2,3) respectively?
Options- A. 7x + 2y = 33
- B. 2x - 7y = 9
- C. 2x - 7y = -3
- D. 7x + 2y = -33 Discuss
Simplification problems
Search Results
Correct Answer: 2(x2 + 2x + 5)
Correct Answer: 169
Correct Answer: 3x + y = 4
Correct Answer: cosAsinA
Correct Answer: 0
Correct Answer: 2cos[(C+D)/2]sin[(C-D)/2]
Correct Answer: sinA
Correct Answer: 8y - 7x - 15
Correct Answer: cos(A-- cos(A+B)
Correct Answer: 2x - 7y = 9
Comments
There are no comments.More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.