A person who writes decoratively is called a

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

√(?) ² = √7396 - √6889

[(11)² - (12)² + (5)³]² = ?

Find the value of 27 ÷ 2 of 16 of [6 ÷ 8 of (6 ÷ 2 + 5)] + (10 ÷ 2.5 + 1)

((1024)^n/5  × (4²ⁿ⁺¹ ))/(16ⁿ  × 4^n-1  ) = ?

What is the value of 14³ + 16³ + 18³ + … + 30³?

(20% of 15% of 600 – 6) × 5 + 84 = ?² 

63 × 4 = ?² – 1620 ÷ 5

65% of 10² + 14 = ? – 20

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

216 ÷ 6 + √? - 126 ÷ 7 = 23 X 2