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Q:
A) 4 + 8 - 12 = 12 | B) 4 - 8 + 12 = 0 |
C) 8 + 4 - 12 = 24 | D) 8 - 4 + 12 = 8 |
Answer: B) 4 - 8 + 12 = 0
Explanation:
Explanation:
On interchanging + and - and 4 and 8 in (b),
we get the equation as
8 + 4 - 12 = 0
or 12 - 12 = 0
or 0 = 0, which is true.