Which sentence is grammatically incorrect? (A)

Evaluate: (768÷16)×(125÷25)−(81÷9)×12

[(4/3) + (5/6)] of 378 = ?

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

48 ÷ 4 × (3 + 5) – 6² + 10 = ?

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

(360 - ?)/(25% of 96) = 13

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

3³ + 4² × 5 – 28 = ?

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

53 × 12 + 43 × 13= ? × 7 - 12% of 1300

2*1/3 + 22*1/3 + 222*1/3 + 2222*1/2 + 22222*1/2 = ?

Solve for the ?

(5832)^1/3  × 10.11 × 11.97 ÷ 16.32 = ? + 45.022