CUET General Test 2022 24 Aug Shift 1 PYQs

$4x^2 + 25 - 20x$ can be expressed as the square of:

How many times more applications are received for admission in B.A. in comparison to B.C.A ?

If $5^x = 6^y = 30^7$, then what is the value of $\frac{1}{x}+\frac{1}{y}$ ?