Find out the two signs to be interchanged for making following equation correct :
5 + 3 x 8 - 12 ÷ 4 = 3
Option:
A. + and -
B. - and ÷
C. + and x
D. + and ÷
Answer: B . - and ÷
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Justification:
On interchanging - and ÷,
we get the equation as
5 + 3 x 8 ÷ 12 - 4 = 3
or 5 + 3 x 2/3 - 4 = 3
or 3 = 3, which is true.