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- Question
If 7x + 6y = 5xy and 10x - 4y = 4xy, then value of x and y is
Options- A. 3, 2
- B. 2, 3
- C. 4, 2
- D. 5, 6
- Correct Answer
- 4, 2
- 1. If sin3A = x, then value of x is
Options- A. 3sinA + 4sin3A
- B. 4sin3A - 3sinA
- C. 4sin3A + sinA
- D. 3sinA - 4sin3A Discuss
- 2. What is the value of cot 5?/3?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3 Discuss
- 3. Coefficient of x2 in (x + 9)(6 - 4x) is
Options- A. 54
- B. -4
- C. 30
- D. 4 Discuss
- 4. What is the value of (4a2 + 8b + 14c + 2)/2 ?
Options- A. 2a2 + 4b + 7c + 1
- B. a2 + 4b + 7c + 1
- C. 2a2 + 4b + 7c + 2
- D. a2 + 4b + 7c + 2 Discuss
- 5. ?[(1 sinA)/(1 + sinA)] is equal to?
Options- A. secA - tanA
- B. cosecA - cotA
- C. secA + tanA
- D. cosecA + cotA Discuss
- 6. If A = 0.216 + 0.0080.36+0.04-0.12 & B = 0.729-0.0270.81+0.09+0.27 , then what is the value of A2+B22 ?
Options- A. 0.8
- B. 1
- C. 1.4
- D. 2.2 Discuss
- 7. If 56 × 75 × 60 × 84 × 210 = 2p × 3q × 5r × 7s , then what is the value of [(p + q)/s] + r?
Options- A. 6
- B. 8
- C. 12
- D. 10 Discuss
- 8. If (333 + 333 + 333) (233 + 233) = 6x , then what is the value of x?
Options- A. 34
- B. 35
- C. 33
- D. 33.5 Discuss
- 9. Which of the following statement(s) is/are true? I. (65)1/6 > (17)1/4 > (12)1/3 II. (17)1/4 > (65)1/6 > (12)1/3 III. (12)1/3 > (17)1/4 > (65)1/6
Options- A. Only I
- B. Only III
- C. Only II
- D. None of these Discuss
- 10. If P = 7 + 4?3 and PQ = 1, then what is the value of (1/P2) + (1/Q2) ?
Options- A. 148
- B. 189
- C. 194
- D. 204 Discuss
Simplification problems
Search Results
Correct Answer: 3sinA - 4sin3A
Correct Answer: -1/?3
Correct Answer: -4
Correct Answer: 2a2 + 4b + 7c + 1
Correct Answer: secA - tanA
Correct Answer: 1
Correct Answer: 8
Correct Answer: 34
Correct Answer: Only III
Correct Answer: 194
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