Question : Directions: Correct the following equation by interchanging the two signs and two numbers. 7 × 6 + 5 – 4 = 33
Option 1: –, ×, and 4, 5
Option 2: ×, +, and 4, 5
Option 3: +, –, and 5, 6
Option 4: ×, –, and 5, 6
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Correct Answer: +, –, and 5, 6
Solution : Given: 7 × 6 + 5 – 4 = 33
Let's check the options – First option: –, ×, and 4, 5 ⇒ 7 – 6 + 4 × 5 = 33 On solving the L.H.S. of the equation – = 7 – 6 + 4 × 5 = 7 – 6 + 20 = 21 ≠ 33 Second option: ×, +, and 4, 5 ⇒ 7 + 6 × 4 – 5 = 33 On solving the L.H.S. of the equation – = 7 + 6 × 4 – 5 = 7 + 24 – 5 = 26 ≠ 33 Third option: +, –, and 5, 6 ⇒ 7 × 5 – 6 + 4 = 33 On solving the L.H.S. of the equation – = 7 × 5 – 6 + 4 = 35 – 6 + 4 = 33 Fourth option: ×, –, and 5, 6 ⇒ 7 – 5 + 6 × 4 = 33 On solving the L.H.S. of the equation – = 7 – 5 + 6 × 4 = 7 – 5 + 24 = 26 ≠ 33
So, only the third option satisfies the given equation. Hence, the third option is correct.
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Question : Direction: Correct the following equation by interchanging the two signs and two numbers.
7 × 6 + 5 – 4 = 33
Option 1: –, × and 4, 5
Option 2: ×, + and 4, 5
Option 3: +, – and 5, 6
Option 4: ×, – and 5, 6
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? – and +, 6 and 3
Option 1: 7 – 3 × 2 ÷ 6 + 4 = 17
Option 2: 8 × 3 – 6 + 4 ÷ 2 = 49
Option 3: 7 + 6 ÷ 3 × 8 – 5 = 35
Option 4: 9 – 6 ÷ 4 + 3 × 7 = 8
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? + and –, 7 and 6
Option 1: 4 × 7 + 6 – 3 ÷ 1 = 20
Option 2: 8 × 7 + 5 ÷ 1 – 6 = 17
Option 3: 7 – 6 × 3 + 4 ÷ 1 = 8
Option 4: 7 × 2 – 6 + 4 ÷ 2 = 13
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? × and +, 6 and 4
Option 1: 3 × 9 – 4 ÷ 2 + 6 = 8
Option 2: 8 × 6 + 4 ÷ 2 – 5 = –5
Option 3: 8 – 3 × 6 + 4 ÷ 1 = 18
Option 4: 7 × 6 – 4 + 9 ÷ 3 = –7
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? × and +, 9 and 6
Option 1: 7 × 6 ÷ 3 + 9 – 8 = 17
Option 2: 6 × 8 – 9 ÷ 3 + 5 = 50
Option 3: 7 + 6 × 4 ÷ 9 – 8 = 8
Option 4: 9 × 7 + 4 ÷ 1 – 6 = 7
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