Select the most appropriate idiom that can substitute

5.45% of 1854 – 37.5% of 1096 = ? – 48% of 630

16 × 14 + 30 × 21 = 14 × ?

The value of 5³ × 5⁴ × 5² = ?

What value should come in the place of (?) in the following questions?

(√1225 × 14) ÷ 5 + 95 × 55 = ?

13 X √? + 256 ÷ 4 = 30% of 900 - 50

30% of 750 + ?% of 400 = 25% of 1016 + 3

756 + 432 – 361 + ? = 990

[(11)² - (12)² + (5)³]² = ?

What will come in the place of question mark (?) in the given expression?

64² - 36² = ? X √1225

? = 6.25% of 240 + 25² + 17² – 16 × 17