Square Root and Cube Root problems
- 1. What is the value of 361+3.61+0.0361 ?
Options- A. 20.9
- B. 22.11
- C. 22.49
- D. 21.09 Also asked in: Bank Exams, CAT
Correct Answer: 21.09
- 2. If 1-aa3+9 = 19 - a1-a3 , then what is the value of a?
Options- A. 3/10, 7/10
- B. 1/10, 9/10
- C. 2/5, 3/5
- D. 1/5, 4/5 Also asked in: Bank Exams
Correct Answer: 1/10, 9/10
- 3. If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?
Options- A. 9
- B. 27
- C. 18
- D. 0 Discuss
Correct Answer: 18
- 4. What is the remainder, when 4x4 +10x3-20x2+90 is divided by (x+2) ?
Options- A. 0
- B. -6
- C. 45
- D. 90 Discuss
Correct Answer: -6
- 5. Determine the value of 1r+1s when r3+s3=0 and r+s=6 ?
Options- A. 0
- B. 0.5
- C. 1
- D. 2 Discuss
Correct Answer: 0.5
- 6. Which of the numbers given below is the square root of 14161?
Options- A. 119
- B. 121
- C. 131
- D. 141 Also asked in: Bank Exams
Correct Answer: 119
- 7. Which of the numbers given below is the square root of 15376?
Options- A. 122
- B. 124
- C. 134
- D. 128 Also asked in: Bank Exams
Correct Answer: 124
- 8. Which of the following numbers will have an irrational square root?
Options- A. 1024
- B. 2401
- C. 4096
- D. 2048 Also asked in: Bank Exams
Correct Answer: 2048
- 9. The simplified form of (4x + 3)2 . (3x - 5) - (4x3 - 12x2 + 9x - 20) is
Options- A. 6x2- 48x - 50
- B. 24x3 + 2x2 - 32x - 15
- C. 44x3 + 4x2 - 102x - 25
- D. 24x3 + 8x2 - 42x - 50 Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: 44x3 + 4x2 - 102x - 25
- 10. If x+1x=-2, then the value of x7+1x7
Options- A. 1
- B. -1
- C. 0
- D. -2 Also asked in: Bank Exams
Correct Answer: -2
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