Question
If digit 2 is interchanged with digit 1, then what will
be the value of the following equation? 9 + 6 ÷ 4 × 21 – 5=?Solution
If we interchange digit 2 with 1 then- 9 + 6 ÷ 4 × 21 - 5 = 9 + 18 - 5 =22
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