Simplification problems
- 1. If a(x + y) = b(x - y) = 2ab, then the value of 2(x2 + y2)
Options- A. 2(a2 - b2)
- B. 2(a2 + b2)
- C. 4(a2 - b2)
- D. 4(a2 + b2) Also asked in: Bank Exams
Correct Answer: 4(a2 + b2)
- 2. What is the reflection of the point (6, -1) in the line y = 2?
Options- A. (-2 , -1)
- B. (-6 , 5)
- C. (-2 , 1)
- D. (6 , 5) Also asked in: Bank Exams
Correct Answer: (6 , 5)
- 3. If a + b = 10 and ab = 24, then what is the value of a3 + b3 ?
Options- A. 280
- B. 152
- C. 140
- D. 72 Also asked in: Bank Exams
Correct Answer: 280
- 4. What is the value of Cot 60°- Sec 45° ?
Options- A. (?2 - ?3)/?6
- B. (?3 - 3?2)/3
- C. (1 - 2?2)/2
- D. (1 - ?3)/2 Also asked in: Bank Exams
Correct Answer: (?3 - 3?2)/3
- 5. If Cot ? = 24/7, then Sin ? = ?
Options- A. 24/25
- B. 8/25
- C. 7/25
- D. 9/25 Also asked in: Bank Exams
Correct Answer: 7/25
- 6. If ? is positive acute angle and 4sin2? = 3 , then the value of tan ? - cot ?/2 is
Options- A. 1
- B. 0
- C. ?3
- D. 1/?3 Also asked in: Bank Exams
Correct Answer: 0
- 7. If the simple interest on Rs. 1 for 1 month is 1 paisa, then the rate percent per annum will be
Options- A. 10%
- B. 8%
- C. 12%
- D. 6% Also asked in: Bank Exams
Correct Answer: 12%
- 8. If p = 99, then the value of p(p2+3p+3) will be
Options- A. 999999
- B. 1000000
- C. 1000001
- D. 999998 Also asked in: Bank Exams
Correct Answer: 999999
- 9. If a-b=1 and a3-b3 = 61 , then the value of ab will be
Options- A. -20
- B. 20
- C. 30
- D. 60 Also asked in: Bank Exams
Correct Answer: 20
- 10. If xa+b+1=xa-b+a-ba+b , then x is equal to
Options- A. 2a-b
- B. a+b
- C. a-b
- D. 2a+b Also asked in: Bank Exams
Correct Answer: a-b
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