Question : Select the number that will come in place of the question mark (?) in the following mathematical statement.
49 × 57 – 41 × 18 = (?)² × 3 + 1380

Option 1: 15

Option 2: 21

Option 3: 3

Option 4: 7

Question : What is the value of (A × B) if A = 7 × 21 ÷ 49 - 8 × 7 ÷ 16 and B = 12 ÷ 6 – 3 × 2 + 5 × 3.

Option 1: –7

Option 2: –4.5

Option 3: –6

Option 4: –5.5

Question : What should come in place of the question mark (?) in the following mathematical statement?
(?)³ ÷ 16 = 108

Option 1: 10

Option 2: 17

Option 3: 12

Option 4: 8

Question : Directions: Substitute the correct mathematical symbols in place of * in the following equation.
16 * 4 * 5 * 14 * 6

Option 1: ÷, –, =, ×

Option 2: –, ×, +, =

Option 3: ÷, ×, =, +

Option 4: ÷, +, =, –

Question : What is the value of $\frac{91+13 \text { of }(45 ÷ 21 × 14 ÷ 5) - 22 × 4}{(42 × 21 ÷ 168 × 2) - (66 \text { of } 15 ÷ 90)}$?

Option 1: – 172

Option 2: – 81

Option 3: –162

Option 4: –144