Aptitude - Surds and Indices - Discussion

Discussion Forum : Surds and Indices - General Questions (Q.No. 1)
1.
(17)3.5 x (17)? = 178
2.29
2.75
4.25
4.5
Answer: Option
Explanation:

Let (17)3.5 x (17)x = 178.

Then, (17)3.5 + x = 178.

3.5 + x = 8

x = (8 - 3.5)

x = 4.5

Discussion:
18 comments Page 2 of 2.

Maneesha said:   1 decade ago
4(power of 3.5)
17 to the power of x in the value is
(1)

Y.mamaki said:   9 years ago
=17^3.5 * 17^*=17^8.
=17^3.5* * =17^8.
=17*= 17^8-3.5.
=17*= 4.5.
Answer =4.5.
(1)

Krishnalal Reang said:   10 years ago
I want with explanation and simple solution.

Ayovin said:   9 years ago
Simple 8 - 3.5 = 4.5.

David wainaina said:   1 decade ago
Simple maths you just do 8-3.5 = 4.5.

Sid said:   1 decade ago
(2^n * 6^ m+1 * 2^n+1 * 3^2m)/ (3^-n * 6^2m * 2^4+m)=181398528 then the value of n is?

Aravindhsvcoe said:   1 decade ago
a^m+a^n=a^m+n.according this formula sum of LHS power is equal to RHS power.i.e.3.5+4.5 = 8.

Devika said:   1 decade ago
How + came in second step?


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