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

{180 + (2250/15)} ÷ 11 = ?² + 14

?% of 18% of 2600 = 234

(2/3) × (5/7) × (3/4) × ? = 80

[192 ÷ 6 × 5] ÷ (? + 3) = 20 

?³ - 25 × 11 = 30 - 15 × 12

√ 729 × 5 – 220 % of 15 + ? = 120% of 160

62 of 8 - 320 ÷ 4 = ?³ + 200

Simplify the following expressions and choose the correct option.

(56% of 750) − (3/8 of 320) + (2.5)² = ?

135÷ 15 x 19 + 14807 = ? + √3249 - √9604

(√1024 + √324)% of 780 = ?% of 260