Discussion
Home ‣ Aptitude ‣ Square Root and Cube Root Comments
- Question
- ? 288 / ? 128
Options- A. ?3/2
- B. 3/?2
- C. 3/2
- D. ?3/2
- Correct Answer
- 3/2
Explanation?288 / ?128 = ?9/4
= 3/2 - 1. ? .04
Options- A. .02
- B. .2
- C. .002
- D. None of these Discuss
- 2. Given that ? 4096 = 64, the value of ? 4096 + ? 40.96 + ? .004096 is?
Options- A. 70.4
- B. 70.464
- C. 71.104
- D. 71.4 Discuss
- 3. 112/?196 x ?579/12 x ?256/8 =?
Options- A. 8
- B. 12
- C. 16
- D. 32 Discuss
- 4. If ? y/169 = 54/39, then y is equal to?
Options- A. 108
- B. 324
- C. 2916
- D. 4800 Discuss
- 5. Find the cube root of 19683.
Options- A. 25
- B. 26
- C. 28
- D. 27 Discuss
- 6. ? 10 x ? 15?
Options- A. 5?6
- B. 6?5
- C. 5
- D. ?30 Discuss
- 7. What value should come in place of the question mark(?) in the following question?
√ ? / 200 = 0.02?
Options- A. 0.4
- B. 4
- C. 16
- D. 1.6 Discuss
- 8. What value should come in place of the question mark(?) in the following question?
250 / √ ? = 10
Options- A. 25
- B. 250
- C. 625
- D. 2500 Discuss
- 9. What value should come in place of the question mark(?) in the following question?
√ 4375 / √ 7 =?
Options- A. 24.75
- B. 27.25
- C. 25
- D. 35 Discuss
- 10. ? 4/3 - ? 3/4 =?
Options- A. 1/2?3
- B. - 1/2?3
- C. 1
- D. 2?3 Discuss
Square Root and Cube Root problems
Search Results
Correct Answer: .2
Explanation:
?.04 = ?4/100
= 2/10
= 0.2
Correct Answer: 70.464
Explanation:
?4096 + ?40.96 + ?.004096
= ?4096 + ?4096/100 + ?4096/1000000
=?4096 + ?4096/10 + ?4096/1000
= 64 + 64/10 + 64/1000
= 70.464
Correct Answer: 32
Explanation:
Given Expression 112/?196 x ?579/12 x ?256/8
=(112/14) x (24/12) x (16/8)
= 32
Correct Answer: 324
Explanation:
?y/169= 54/39
? y/169 = (54/39) x (54/39)
? y= (54/39) x (54/39) x 169 = 324
Correct Answer: 27
Explanation:
In 19683, 19 lies between 23 and 33, so left digit is 2 and 683 ends with 3, so right digit is 7.
thus 27 is a cube root of 19683.
Correct Answer: 5?6
Explanation:
?10 x ?15
= ?10 x 15
= ?150
= ?25 x 6
= ?25 x ?6
= 5?6
Correct Answer: 16
Explanation:
Let √x / 200 = 0.02
Then, √x = 200 x 0.02 = 4.
So, x = 16
Correct Answer: 25
Explanation:
Let 250 / √x = 10.
Then √x= 250 / 10 = 25
∴ x = 625
Correct Answer: 25
Explanation:
√4375 / √7 = √4375 / 7
= √625
= 25
Correct Answer: 1/2?3
Explanation:
?4/?3 - ?3/?4
= 2/?3 - ?3/2
= (4 - 3)/2?3
= 1/2?3
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