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Solutions
By checking Option A,
55+7×5-28÷4=27
After changing the symbols,
55÷7×5-28+4=27
Applying BODMAS we get,
=55÷7×5-28+4
Since, 55 is not divisible by 7, so result will come in decimal.
Therefore, 55+7×5-28÷4=27 is not the correct equation.
By checking Option B,
55+7÷5-28×4=27
After changing the symbols,
55+7×5-28÷4=27
Applying BODMAS we get,
=55+35-7
=90-7
=83
Therefore, 55+7÷5-28×4=27 is not the correct equation.
By checking Option C,
55+7×5-28÷4=27
After changing the symbols,
55-7×5+28÷4=27
Applying BODMAS we get,
=55-35+7
=20+7
=27
Therefore, 55+7×5-28÷4=27 is the correct equation.
By checking Option D,
55+7×5-28÷4=27
After changing the symbols,
55×7-5+28÷4=27
Applying BODMAS we get,
=385-5+7
=385+2
=387
Therefore, 55+7×5-28÷4=27 is not the correct equation.