Discussion
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- Question
If 5x + 4(1 - x) > 3x - 4 > 5x/3 - x/3; then x can take which of the following values?
Options- A. 2
- B. 1
- C. 3
- D. -2
- Correct Answer
- 3
- 1. If x + y = 10 and x2 + y2 = 68 , then find xy
Options- A. 21
- B. 24
- C. 25
- D. 16 Discuss
- 2. Coefficient of x in (x + 8)(6 - 3x) is
Options- A. 18
- B. 30
- C. -18
- D. -30 Discuss
- 3. Find equation of the perpendicular bisector of segment joining the points (2,6) and (4,0)?
Options- A. x + 3y = 6
- B. x + 3y = -6
- C. x - 3y = -6
- D. x - 3y = 6 Discuss
- 4. If (1 - cosA)/(1 + cosA) = x, then the value of x is
Options- A. (cotA + cosecA)2
- B. (cotA - cosecA)2
- C. cotA - cosecA
- D. cotA + cosecA Discuss
- 5. If cot(A/2) = x, then the value of x is
Options- A. ?[(1 + cosA)/(1 - cosA)]
- B. cosecA - cotA
- C. ?[(1 - cosA)/2]
- D. ?[(1 + cosA)/2] Discuss
- 6. Shaan got a total of Rs. 912 in the denomination of equal numbers of Rs. 1, Rs. 5 and Rs. 10 coins. How many coins do Shaan posses?
Options- A. 16
- B. 57
- C. 171
- D. 323 Discuss
- 7. What is the simplified value of 18 - 12 ?
Options- A. 5/?2
- B. 5?2
- C. 2?5
- D. 2/?5 Discuss
- 8. What is the simplified value of 18 - 12 ?
Options- A. 5/?2
- B. 5?2
- C. 2?5
- D. 2/?5 Discuss
- 9. What is the value of (tan30 ° - ?3/2) ?
Options- A. -1/2?3
- B. (2?3-?6)/2?2
- C. (2-?3)/2
- D. 1/6 Discuss
- 10. ?DEF is right angled at E. If cotD = 5/12, then what is the value of sinF ?
Options- A. 5/12
- B. 13/5
- C. 5/13
- D. 13/12 Discuss
Simplification problems
Search Results
Correct Answer: 16
Correct Answer: -18
Correct Answer: x + 3y = -6
Correct Answer: (cotA - cosecA)2
Correct Answer: ?[(1 + cosA)/(1 - cosA)]
Correct Answer: 171
Correct Answer: 5/?2
Correct Answer: 5/?2
Correct Answer: -1/2?3
Correct Answer: 5/13
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