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

(55 × 8 + 28) × 10 = ?

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

336 ÷ 6 ÷ √16 * ? = 1400 ÷ 4

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

? = (27 × 13) – 26% of (41² – 9² )

(16% of 550 – 22% of 700 + 45% of 800) = ?

4387897 – 3286871 – 51926 = ?

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

354 - 388 + 342 = ? - 84 ÷ 14 X √484

15% of 5000 - √900 = ? + 10% of 1800

345 = √2704 ÷ (?% of 104) + 7 ³

7/3 of 4/5 of 15/56 of ? = 83