Question : Directions: By interchanging the given two signs which of the following equations will be correct?
× and –

Option 1: 7 × 9 – 8 ÷ 2 + 6 = 25

Option 2: 8 × 6 – 9 ÷ 3 + 10 = 0

Option 3: 16 – 4 ÷ 2 + 8 × 1 = 36

Option 4: 5 + 7 × 3 – 4 ÷ 2 = 8

Question : Simplify the following expression:
[$\sqrt{25}$ + 12 ÷ 3 – {20 + (16 of 8 ÷ 16) – (54 ÷ 18 of $\frac{1}{2}$}]

Option 1: –13

Option 2: 12

Option 3: 22

Option 4: 0

Question : Directions: By Interchanging the given two numbers which of the following equations will be correct?
8 and 2

Option 1: 7 ÷ 2 – 8 × 4 + 1 = 0

Option 2: 2 × 4 – 8 + 5 ÷ 1 = 50

Option 3: 8 × 4 + 6 – 2 ÷ 1 = 6

Option 4: 8 × 4 – 9 ÷ 3 + 2 = 35

Question : Directions: By Interchanging the given two numbers which of the following equations will be correct?
5 and 8

Option 1: 5 × 2 – 8 + 9 ÷ 1 = 20

Option 2: 8 + 5 × 4 – 9 ÷ 3 = 30

Option 3: 5 × 7 + 8 – 3 ÷ 1 = 55

Option 4: 8 – 5 × 2 + 6 ÷ 2 = –9

Question : Directions: By Interchanging the given two numbers which of the following equations will be not correct?
3 and 8

Option 1: 7 + 3 – 4 ÷ 2 × 8 = 9

Option 2: 6 ÷ 2 × 8 + 3 – 1 = 17

Option 3: 8 – 3 + 6 × 2 ÷ 4 = -2

Option 4: 2 + 3 – 6 ÷ 2 × 8 = 1