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(5³ + 480 ÷ 4)% of 20 = ?% of 70

36895 - 4256 - 2233 = ? 

√( (664+ √(136+ √(59+ √(21+ √(7+ √81) ) ) ) ) ) = ?

The value of 11 × 11 + 11 ÷ 11 – 11 × 11 + 11 + 11 × 11 – 11 – 11 × 11 is:

Determine the simplified value of the given mathematical expression.

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

55% of 1600 – (18 × 50) = ? ÷ 16 

Simplify the following expressions and choose the correct option.

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