Aptitude - Square Root and Cube Root - Discussion
Discussion Forum : Square Root and Cube Root - General Questions (Q.No. 2)
2.
| What should come in place of both x in the equation | x | = | 162 | . |
| 128 | x |
Answer: Option
Explanation:
| Let | x | = | 162 |
| 128 | x |
Then x2 = 128 x 162
= 64 x 2 x 18 x 9
= 82 x 62 x 32
= 8 x 6 x 3
= 144.
x = 144 = 12.
Discussion:
35 comments Page 3 of 4.
Onkar said:
5 years ago
X^2 = √(162*128).
= √20736.
X^2 = 144.
And X = 12.
= √20736.
X^2 = 144.
And X = 12.
(4)
Ravi said:
1 decade ago
@Jiyan prathap.
By using your method find the square root of 196.
By using your method find the square root of 196.
Chandu said:
1 decade ago
@Sameer.
x square = 144.
Then x = square root of 144.
x = 12.
x square = 144.
Then x = square root of 144.
x = 12.
Sumi said:
1 decade ago
Is there any short tricks to find square root and cube root ?
PRANAV said:
8 years ago
How to solve it? I am getting confuse, Please tell me.
(1)
Mani Ratan said:
1 decade ago
Can we do 162=81*2 please solve it by other process?
Sharana said:
1 year ago
Thanks all for explaining the answer.
Bishnu said:
7 years ago
Nice. Thanks for the explanation.
(1)
Annoy singh said:
10 years ago
Because x = 144.
x = 12*12=144.
x = 12*12=144.
Proek said:
1 decade ago
-12 is the valid answer too!
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