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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Correct Answer: 7 × 6 ÷ 3 + 9 – 8 = 17
Solution : Let's check the options – First option: 7 × 6 ÷ 3 + 9 – 8 = 17 On interchanging the given numbers and symbols, the equation becomes – = 7 + 9 ÷ 3 × 6 – 8 = 7 + 18 – 8 = 17 Second option: 6 × 8 – 9 ÷ 3 + 5 = 50 On interchanging the given numbers and symbols, the equation becomes – = 9 + 8 – 6 ÷ 3 × 5 = 9 + 8 – 10 = 17 – 10 = 7 ≠ 50 Third option: 7 + 6 × 4 ÷ 9 – 8 = 8 On interchanging the given numbers and symbols, the equation becomes – = 7 × 9 + 4 ÷ 6 – 8 = 63 + 0.66 – 8 = 63.66 – 8 = 55.66 ≠ 8 Fourth option: 9 × 7 + 4 ÷ 1 – 6 = 7 On interchanging the given numbers and symbols, the equation becomes – = 6 + 7 × 4 ÷ 1 – 9 = 6 + 7 × 4 – 9 = 6 + 28 – 9 = 25 ≠ 7
Hence, the first option is correct.
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Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? – and +, 6 and 3
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? × and +, 6 and 4
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? × and ÷, 7 and 9
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? + and –, 7 and 6
Question : Directions: By interchanging the given two signs and numbers which of the following equations will be correct? + and –, 6 and 3
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