AP and TS EAMCET Medical Model Paper 10

A → B; rate constant unit is mol L‌−1s‌−1.
[A] changes from 0.5 to 0.25 in 20 minutes. In TA minutes [A] changes from 1.0 to 0.0625.
X → Y; rate constant unit is s‌−1.
[X] changes from 0.5 to 0.25 in 20 minutes.
In TX minutes [X] changes from 1.0 to 0.0625.
The value of

TA

TX

is