Discussion
Home ‣ Aptitude ‣ Square Root and Cube Root Comments
- Question
If x+1x=-2, then the value of x7+1x7
Options- A. 1
- B. -1
- C. 0
- D. -2
- Correct Answer
- -2
- 1. 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 Discuss
- 2. Which of the following numbers will have an irrational square root?
Options- A. 1024
- B. 2401
- C. 4096
- D. 2048 Discuss
- 3. Which of the numbers given below is the square root of 15376?
Options- A. 122
- B. 124
- C. 134
- D. 128 Discuss
- 4. Which of the numbers given below is the square root of 14161?
Options- A. 119
- B. 121
- C. 131
- D. 141 Discuss
- 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
- 6. 65.The angles of elevation of an aeroplane flying vertically above the ground, as observed from the two consecutive stones, 1 km apart; are 45o and 60o. The height of the aeroplane from the ground is
Options- A. 3+1 kms
- B. 3+3 kms
- C. 123+1 kms
- D. 123+3 kms Discuss
- 7. The maximum value of 5+20x-4x2, when X is real number
Options- A. 1
- B. 5
- C. 25
- D. 30 Discuss
- 8. If 3a=4b=6c and a+b+c=279 then a2+b2+c2 is equal to
Options- A. 87
- B. 39
- C. 82
- D. 83 Discuss
- 9. Determine the value of 'x' when 3x3 = 27
Options- A. 1
- B. 3
- C. 9
- D. 12 Discuss
- 10. Find the square root of 1485961
Options- A. 1213
- B. 1219
- C. 1229
- D. 1239 Discuss
Square Root and Cube Root problems
Search Results
Correct Answer: 44x3 + 4x2 - 102x - 25
Correct Answer: 2048
Correct Answer: 124
Correct Answer: 119
Correct Answer: 0.5
Correct Answer: 123+3 kms
Correct Answer: 30
Correct Answer: 87
Correct Answer: 9
Correct Answer: 1219
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