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- Question
If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to
Options- A. 1
- B. 2
- C. 3
- D. 4
- Correct Answer
- 3
- 1. A T.V was sold at a profit of 5% If it had been sold at a profit of 10% , the profit would have been Rs. 1000 more. What is its cost price ?
Options- A. Rs.20000
- B. Rs.5000
- C. Rs.10000
- D. Rs.15000 Discuss
- 2. The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?
Options- A. x = -7; y = 7
- B. x = 3; y = -3
- C. x = 7; y = -7
- D. x = -3; y = 3 Discuss
- 3. If xy = 22 and x2+ y2= 100 , then what will be the value of (x + y)?
Options- A. 12
- B. 144
- C. 72
- D. 6 Discuss
- 4. If tan2A - sin2A = x , then value of x is
Options- A. tan2A sin2A
- B. cot2A cosec2A
- C. tanA sinA
- D. cotA cosecA Discuss
- 5. If cotA + cotB = x, then value of x is
Options- A. (cotAcotB + 1)/(cotB - cotA)
- B. (cotAcotB + 1)/(cotB + cotA)
- C. (cotAcotB - 1)/(cotB + cotA)
- D. (cotAcotB - 1)/(cotB - cotA) Discuss
- 6. On dividing 24a2b2 by 6b2 , we will get
Options- A. 4b
- B. 4ab
- C. 4
- D. 4a2 Discuss
- 7. If 1/?(cosec2A - 1) = x, then value of x is
Options- A. cotA
- B. tanA
- C. sinA
- D. cosA Discuss
- 8. What is the value of cosec 3?/4?
Options- A. -?2
- B. ?2
- C. 2/?3
- D. -2/?3 Discuss
- 9. [sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to
Options- A. 2secA
- B. 2cosecA
- C. 2tanA
- D. 2cotA Discuss
- 10. ABCD is a parallelogram. Co-ordinates of A, B and C are (5,0), (-2,3) and (-1,4) respectively. What will be the equation of line AD?
Options- A. y = 2x - 5
- B. y = x + 5
- C. y = 2x + 5
- D. y = x - 5 Discuss
Simplification problems
Search Results
Correct Answer: Rs.20000
Correct Answer: x = 7; y = -7
Correct Answer: 12
Correct Answer: tan2A sin2A
Correct Answer: (cotAcotB - 1)/(cotB + cotA)
Correct Answer: 4a2
Correct Answer: tanA
Correct Answer: ?2
Correct Answer: 2cosecA
Correct Answer: y = x - 5
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