Question : Directions: Which of the following interchanges of signs and numbers would make the given equation correct?
25 – 10 ÷ 5 + 15 × 30 = 55

Option 1: × and ÷, 30 and 25

Option 2: ÷ and +, 15 and 10

Option 3: × and –, 15 and 10

Option 4: + and –, 5 and 10

Question : Directions: If 11 & 25 = 18, 12 & 20 = 16 then, what is the value of 4 & 50 = ?

Option 1: 42

Option 2: 17

Option 3: 27

Option 4: 37

Question : Directions: By interchanging the given two signs which of the following equations will not be correct?
– and ÷

Option 1: 20 × 8 – 4 ÷ 2 + 7 = 50

Option 2: 35 – 5 + 8 ÷ 4 × 3 = 3

Option 3: 10 + 8 × 6 – 4 ÷ 2 = 20

Option 4: 12 – 4 + 11 × 3 ÷ 8 = 28

Question : Directions: Which of the following interchanges of numbers would make the given equation correct?
7 × 4 ÷ 14 + 12 + 30 = 50

Option 1: 12, 14

Option 2: 7, 14

Option 3: 4, 7

Option 4: 30, 50

Question : Directions: Which of the following interchange of numbers and mathematical signs would make the given equation correct?
30 ÷ 6 × 4 + 15 − 35 = 25

Option 1: 25 and 30; × and –

Option 2: 4 and 6; + and –

Option 3: 25 and 35; × and ÷

Option 4: 30 and 35; – and ÷