Aptitude - Square Root and Cube Root - Discussion
Discussion Forum : Square Root and Cube Root - General Questions (Q.No. 4)
4.
1.5625 = ?
Answer: Option
Explanation:
1|1.5625( 1.25
|1
|-------
22| 56
| 44
|-------
245| 1225
| 1225
|-------
| X
|-------
1.5625 = 1.25.
Discussion:
62 comments Page 6 of 7.
Hareesh said:
7 years ago
(15625/10000)^0.5.
= (15625^0.5)/{10^(4/2)},
= {(5*5*5)(5*5*5*)}^0.5/(10^2).
= 125/100,
= 1.25.
= (15625^0.5)/{10^(4/2)},
= {(5*5*5)(5*5*5*)}^0.5/(10^2).
= 125/100,
= 1.25.
Pranitha said:
7 years ago
(15625/10000) ^1/2.
We have to cancel the above 2values.
Then we get (25/16) ^1/2,
= 5/4.
The ans is 1.25.
We have to cancel the above 2values.
Then we get (25/16) ^1/2,
= 5/4.
The ans is 1.25.
(3)
Rahul said:
6 years ago
@Sidhu.
How is 1+5+6+2+5=8?
How is 1+5+6+2+5=8?
Honnu said:
6 years ago
@Sidhu.
1+5+6+2+5=19,
How it will be 8?
Please explain.
1+5+6+2+5=19,
How it will be 8?
Please explain.
(1)
Karthick said:
6 years ago
Thanks for explaining the answer @Varun.
(1)
Swetha said:
6 years ago
Let we know x2 = a.
So, x = √a.
Therefore by referring to all the options with there square;
Let options
A)1.05 * 1.05 = 1.1025
B)1.25 * 1.25 = 1.5625.
So by this, we recognise option B is correct.
So, x = √a.
Therefore by referring to all the options with there square;
Let options
A)1.05 * 1.05 = 1.1025
B)1.25 * 1.25 = 1.5625.
So by this, we recognise option B is correct.
(13)
Bhavani said:
6 years ago
It's very clear for understanding. Thank you @Swetha.
(1)
Sreehari said:
5 years ago
How to get 245?
(1)
Wokete Saeed said:
4 years ago
Thanks for explaining @Dinesh Kumar.
(3)
JUBANLAK SUTNGA said:
3 years ago
= 15625/10000,
= 25/16,
= √5^2/4^2,
= 5/4,
= 1.25.
It's the easiest way to find the answer.
= 25/16,
= √5^2/4^2,
= 5/4,
= 1.25.
It's the easiest way to find the answer.
(59)
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