Discussion
Home ‣ Aptitude ‣ Square Root and Cube Root Comments
- Question
- ? 25/15625 = ? ?/30625
Options- A. 2
- B. 35
- C. 49
- D. 1225
- Correct Answer
- 49
ExplanationLet ?25/15625 = ?x/30625
Then, 25/15625 = x/30625
? 1 / 625 = x / 30625
? x = (30625 / 625) = 49 - 1. ? .289/.00121 =?
Options- A. 1.7
- B. 17/11
- C. 170/11
- D. 17/10 Discuss
- 2. ? 36.1 / 102.4 =?
Options- A. 29/32
- B. 19/72
- C. 19/32
- D. 29/62 Discuss
- 3. If ? (75.24 + N ) = 8.71, then the value of N is?
Options- A. .6241
- B. 6.241
- C. 62.41
- D. None of these Discuss
- 4. What value should come in place of the question mark(?) in the following question?
? / √ 2.25 = 550
Options- A. 825
- B. 82.5
- C. 3666.66
- D. 2 Discuss
- 5. If ? 24 = 4.899, then the value of ? 8/3 is?
Options- A. 0.544
- B. 2.666
- C. 1.633
- D. 1.333 Discuss
- 6. 1872/ ? ? = 234
Options- A. 324
- B. 64
- C. 8
- D. 256 Discuss
- 7. ? 324/1.5 =?/ ? 256
Options- A. 192
- B. 432
- C. 288
- D. 122 Discuss
- 8. ? (0.324 x 0.081 x 4.624) / (1.5625 x 0.0289 x 72.9 x 64) =?
Options- A. 24
- B. 2.40
- C. 0.024
- D. None of these Discuss
- 9. If ? 15625 = 125, then the value of [? 15625 + ? 156.25 + ? 1.5625] is?
Options- A. 1.3875
- B. 13.875
- C. 138.75
- D. 156.25 Discuss
- 10. ? 1296 /? =? / 2.25
Options- A. 6
- B. 7
- C. 8
- D. 9 Discuss
Square Root and Cube Root problems
Search Results
Correct Answer: 170/11
Explanation:
?.289/.00121 = ?.28900/.00121
= ?28900/121
= 170/11
Correct Answer: 19/32
Explanation:
?36.1/102.4
= ?361/1024
= 19/32
Correct Answer: .6241
Explanation:
75.24 + N = 8.71 x 8.71
? N = 75.8641 - 75.24
? N = .6241
Correct Answer: 825
Explanation:
Let N / √2.25 = 550.
Then, N / 1.5 = 550
∴ N = (550 x 1.5)
= (550 x 15) /10
= 825
Correct Answer: 1.633
Explanation:
?8/3 =?24/9
= ?24/3
= 4.899/3
=1.633
Correct Answer: 64
Explanation:
Let 1872/?N = 234.
Then ?N = 1872/234 = 8
? N = 8 x 8 = 64
Correct Answer: 192
Explanation:
?324/ 1.5 = N / ?256
? 18/1.5 = N/16
? N = (18 x 16) / 1.5 = (18 x 16 x 10) / 15
= 192
Correct Answer: 0.024
Explanation:
Sum of decimal places being equal in Num. and Denom. of given expression
So ,Given expression is equivalent to
?(324 x 81 x 4624) / (15625 x 289 x 729 x 64)
= (18 x 9 x 68) / (125 x 17 x 27 x 8)
= 3/125
= 0.024
Correct Answer: 138.75
Explanation:
Given expression = ?15625 + ?15625/100 + ?15625/10000
= (125 + 125/10 + 125/100)
= (125 + 12.5 + 1.25)
= 138.75
Correct Answer: 9
Explanation:
Let , ?1296 / N = N / 2.25
Then, 36/N = N /2.25 or N2= 36 x 225/100
? N = ?(36 x 225) /100 = (6 x 15) / 10 = 9
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