Question : Directions: After interchanging the given two signs what will be the values of equation (I) and (II) respectively? × and – I. 18 × 8 – 6 ÷ 3 + 4 II. 7 – 8 × 4 ÷ 2 + 15
Option 1: 89 and 6
Option 2: 6 and 69
Option 3: 18 and 10
Option 4: -8 and 10
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Correct Answer: 6 and 69
Solution : Given: I. 18 × 8 – 6 ÷ 3 + 4 II. 7 – 8 × 4 ÷ 2 + 15
Equation I: 18 × 8 – 6 ÷ 3 + 4 On interchanging the mathematical signs, we get – = 18 – 8 × 6 ÷ 3 + 4 = 18 – 8 × 2 + 4 = 18 – 16 + 4 = 6 Equation II: 7 – 8 × 4 ÷ 2 + 15 On interchanging the mathematical signs, we get – = 7 × 8 – 4 ÷ 2 + 15 = 7 × 8 – 2 + 15 = 56 – 2 + 15 = 69
So, the values are 6 and 69. Hence, the second option is correct.
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Question : Directions: After interchanging the given two signs what will be the values of equation (I) and (II) respectively? + and – I. 18 ÷ 3 + 6 × 2 – 8 II. 15 × 3 – 45 ÷ 5 + 30
Option 1: 24 and 2
Option 2: 3 and 25
Option 3: 2 and 66
Option 4: 2 and 24
Question : Directions: After interchanging the given two numbers what will be the values of equations (I) and (II) respectively? 8 and 4 I. 8 – 4 × 6 ÷ 3 + 7 II. 8 × 3 – 6 ÷ 2 + 4
Option 1: –5 and 20
Option 2: –4 and 18
Option 3: –5 and 17
Option 4: 20 and 18
Question : Directions: By Interchanging which two signs the equation will be correct? 6 – 10 × 8 ÷ 5 + 7 = 15
Option 1: + and –
Option 2: ÷ and –
Option 3: + and ÷
Option 4: × and ÷
Question : Directions: After interchanging the given two numbers what will be the values of equations (I) and (II) respectively? 8 and 2 I. 3 + 6 – 8 × 4 ÷ 2 II. 12 ÷ 6 × 9 – 2 + 8
Option 1: 12 and 8
Option 2: 9 and 15
Option 3: 9 and 81
Option 4: 8 and 12
Question : Directions: By interchanging the given two signs which of the following equations will be correct? + and ÷ I. 4 ÷ 2 + 1 – 8 × 3 = –10 II. 18 ÷ 2 – 8 + 4 × 3 = 14
Option 1: Only II
Option 2: Only I
Option 3: Neither I nor II
Option 4: Both I and II
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