Simplification problems
- 1. Product of 9b2, 3a2 and 4ab is
Options- A. 108a2b2
- B. 108a3b3
- C. 108a3b2
- D. 108a4b4 Also asked in: Bank Exams
Correct Answer: 108a3b3
- 2. If tan2A - tan2B = x , then the value of x is
Options- A. (sin2A - sin2B)/(cos2A cos2B)
- B. (sin2A sin2B)/(cos2A - cos2B)
- C. (sin2A + sin2B)/(cos2A cos2B)
- D. (sin2A sin2B)/(cos2A + cos2B) Also asked in: Bank Exams
Correct Answer: (sin2A - sin2B)/(cos2A cos2B)
- 3. ?[(1 sinA)/(1 + sinA)] is equal to?
Options- A. secA - tanA
- B. cosecA - cotA
- C. secA + tanA
- D. cosecA + cotA Also asked in: Bank Exams
Correct Answer: secA - tanA
- 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 Also asked in: Bank Exams
Correct Answer: 2a2 + 4b + 7c + 1
- 5. Coefficient of x2 in (x + 9)(6 - 4x) is
Options- A. 54
- B. -4
- C. 30
- D. 4 Also asked in: Bank Exams
Correct Answer: -4
- 6. What is the value of cot 5?/3?
Options- A. 1/?3
- B. -1/?3
- C. ?3
- D. -?3 Also asked in: Bank Exams
Correct Answer: -1/?3
- 7. If sin3A = x, then value of x is
Options- A. 3sinA + 4sin3A
- B. 4sin3A - 3sinA
- C. 4sin3A + sinA
- D. 3sinA - 4sin3A Also asked in: Bank Exams
Correct Answer: 3sinA - 4sin3A
- 8. 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 Also asked in: Bank Exams
Correct Answer: 4, 2
- 9. 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 Also asked in: Bank Exams
Correct Answer: 1
- 10. 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 Also asked in: Bank Exams
Correct Answer: 8
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