Given interchanges : Signs : - and ÷ and numbers 4 and 8
A
6 - 8 ÷ 4 = -1
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B
8 - 6 ÷ 4 = 1
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C
4 ÷ 8 - 2 = 6
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D
4 - 8 ÷ 6 = 2
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Solution
The correct option is C 4 ÷ 8 - 2 = 6 On interchanging - and ÷÷ and 4 and 8 in (c) we get the equations as 8 - 4 ÷÷ 2 = 6 or 8 - 2 = 6 i.e. 6 = 6 which is true.