Discussion
Home ‣ Aptitude ‣ Square Root and Cube Root Comments
- Question
If a is positive and a2+1a2 = 7, then a3 + 1a3 = ?
Options- A. 9
- B. 27
- C. 18
- D. 0
- Correct Answer
- 18
- 1. 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 Discuss
- 2. What is the value of 361+3.61+0.0361 ?
Options- A. 20.9
- B. 22.11
- C. 22.49
- D. 21.09 Discuss
- 3. What is the value of 729+72.9+7.29
Options- A. 30.5
- B. 32.33
- C. 35.6
- D. 38.23 Discuss
- 4. Cube root of 729 then square it
Options- A. 9
- B. 36
- C. 81
- D. 144 Discuss
- 5. 326-3-436-2-68-12=?
Options- A. sqtr{3}-sqrt{2}
- B. sqtr{3}+sqrt{2}
- C. 5sqrt{3}
- D. 1 Discuss
- 6. What is the remainder, when 4x4 +10x3-20x2+90 is divided by (x+2) ?
Options- A. 0
- B. -6
- C. 45
- D. 90 Discuss
- 7. 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
- 8. Which of the numbers given below is the square root of 14161?
Options- A. 119
- B. 121
- C. 131
- D. 141 Discuss
- 9. Which of the numbers given below is the square root of 15376?
Options- A. 122
- B. 124
- C. 134
- D. 128 Discuss
- 10. Which of the following numbers will have an irrational square root?
Options- A. 1024
- B. 2401
- C. 4096
- D. 2048 Discuss
Square Root and Cube Root problems
Search Results
Correct Answer: 1/10, 9/10
Correct Answer: 21.09
Correct Answer: 38.23
Correct Answer: 81
Explanation:
729 = 9 x 9 x 9
=> Cube root of 729 = 9
Now, required square of 9 = 9 x 9 = 81.
Correct Answer: 5sqrt{3}
Explanation:
Given Exp =
=
=
=
=
Correct Answer: -6
Correct Answer: 0.5
Correct Answer: 119
Correct Answer: 124
Correct Answer: 2048
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