This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
 \frac{27 ^{3} + 54^{3}  }{85 ^{3} + 95 ^{3}  } = X³
 \frac{19683 + 157464}{614125+857375}
⇒ 0.120

Now equating,
X³ = 0.120
X = ∛0.120
X = 0.493
shravani dont mind that this question was from bank paper there will be a simple logic rather than putting value nd solving .:P
The way i could solve i have done it..!! I have seen the comments.. This is the only way i know right now.
Thanks for ur help even if u know the shortcut method for cube ...thats not going to help to solve this within stipulated tym...there must be some logic which is yet to be found...and dats where i stuck..As all the bank exams are online you have to solve almost the whole paper with mental calculation as you will not have any tym to write the problem on a paper and solve it...Thakx N E WYZ