Is rs = rx − 2 ?
(1) r is an odd number
(2) x = s + 2
rs = rx − 2 can be restated as
r(x-s) = 2 -----(1)Statement 1
r is odd, Still we don't know the value of (x-s).
Thus InsufficientStatement 2
This is very tempting option for many of us.
we don't know the value of r.
Thus InsufficientStatement 1& 2
r= odd (can take any odd value 1, 3, 5 etc)
r(x-s) will equal 2 only if r=1. But we don't know value of r for sure
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