Aptitude - Surds and Indices - Discussion
Discussion Forum : Surds and Indices - General Questions (Q.No. 6)
6.
(256)0.16 x (256)0.09 = ?
Answer: Option
Explanation:
(256)0.16 x (256)0.09 = (256)(0.16 + 0.09)
= (256)0.25
= (256)(25/100)
= (256)(1/4)
= (44)(1/4)
= 44(1/4)
= 41
= 4
Discussion:
15 comments Page 1 of 2.
Prasanthi said:
1 decade ago
(4^4)^16/100*(14^4)^9/100.
= (4)^16/25*(4)^9/25.
= (4)^25/25.
= 4.
= (4)^16/25*(4)^9/25.
= (4)^25/25.
= 4.
Gil said:
10 years ago
Where did you get number of 100?
Sairam said:
9 years ago
@Gil, 0.25 can be written as 25/100.
Angel said:
8 years ago
Nice explanation @Prasanthi.
Golusingh said:
8 years ago
Very well explained. Thanks.
Gagan Deep kaur said:
8 years ago
Nice explanation. Thank you all.
Swastika said:
7 years ago
Nice explanation. Thanks.
Afroza said:
6 years ago
Thanks all for your explanation.
Vishnu said:
6 years ago
I think the answer is 64 because 4 th root of 256 is = 64 So answer is 64.
(1)
Shree said:
6 years ago
I too agree it is 64.
(1)
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