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 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

Question : Directions: After interchanging two signs and two numbers, the value of the given equation will be 6.
7 – 2 × 1 ÷ 3 + 5

Option 1: × and ÷,7 and 5

Option 2: × and ÷, 2 and 7

Option 3: + and –, 7 and 5

Option 4: × and –, 5 and 3

Question : Solve: [ (144 ÷ 12) + (43 × 3) ] + 45 – 20 × 3

Option 1: 127

Option 2: 111

Option 3: 126

Option 4: 156

Question : Directions: Which two signs must be interchanged to correct the following equation?
35 + 7 × 12 – 6 ÷ 2 = 6

Option 1: – and ×

Option 2: – and ÷

Option 3: + and ×

Option 4: × and ÷