Discussion
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- Question
[sinA/(1 + cosA)] + [(1 + cosA)/sinA] is equal to
Options- A. 2secA
- B. 2cosecA
- C. 2tanA
- D. 2cotA
- Correct Answer
- 2cosecA
- 1. What is the value of cosec 3?/4?
Options- A. -?2
- B. ?2
- C. 2/?3
- D. -2/?3 Discuss
- 2. If 1/?(cosec2A - 1) = x, then value of x is
Options- A. cotA
- B. tanA
- C. sinA
- D. cosA Discuss
- 3. On dividing 24a2b2 by 6b2 , we will get
Options- A. 4b
- B. 4ab
- C. 4
- D. 4a2 Discuss
- 4. If pq(p+q) = 1, then the value of 1p3q3-p3-q3 is equal to
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. 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
- 6. 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
- 7. A bag has Rs 30.8 in the form of 1 rupee, 50 paise and 10 paise coins in the ratio of 6:3:2. What is the number of 50 paise coins?
Options- A. 8
- B. 24
- C. 12
- D. 4 Discuss
- 8. Reflection of the point (-3,6) in the x-axis is
Options- A. (3,6)
- B. (6,-3)
- C. (-3,-6)
- D. (-6,3) Discuss
- 9. The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is
Options- A. b2x4a6z
- B. b3x2a4z3
- C. b3x5a5z2
- D. bazx Discuss
- 10. If x = a cos?+ b sin? and y = b cos?- a sin?, then x2 + y2 is equal to
Options- A. ab
- B. a2+b2
- C. a2-b2
- D. 1 Discuss
Simplification problems
Search Results
Correct Answer: ?2
Correct Answer: tanA
Correct Answer: 4a2
Correct Answer: 3
Correct Answer: Rs.20000
Correct Answer: y = x - 5
Correct Answer: 12
Correct Answer: (-3,-6)
Correct Answer: b3x5a5z2
Correct Answer: a2+b2
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