After changing '+' and '-' , 8 and 7 the appropriate equation is,
6 + 8 x 2 - 7 = 0
L.H.S. = 6 - 7 x 2 + 8
6 - 14 + 8
14 - 14 = 0 = R.H.S.
In all the numbers except 383, the middle digit is the product of the other two digits.
All are multiple of 3 except 83.
Similarly, 32:112:(2/7)
32 ? 3 x 2 = 6
'Uneasy' and 'Quiet' are opposite to each other. Likewise, 'Fit' and 'Unfit' are opposite to each other
Belief is a different word from others.
It is not necessary that A is a clerk though he is poor.
All are insects.
Except 'Sodium' all other are radioactive.
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