Which of the following options is the correct

Find the simplified value of the given expression

30% of 215 + 135% of ? = 469.5

36% of 640 – 12.5% of 352 + 25% of 640 = ? – 48% of 432

9/5 × 18/25 ÷ 42/21 = ? - 82/75

8⁹ ÷ 512 × (1/64) = (2³)^?

If A = 0.84181818... then what will be the difference between the numerator and denominator of the lowest fraction form of A?

35% of 240 – 6 ² = ? ² – √256

Simplify: (1 ÷ 0.08)

Find the simplified value of the expression:

32 + 12 x 108 ÷ 12 + 4 + 32 ÷ 16 x 3