1) If (a - b) is 6 more than (c + d) and (a + b) is 3 less than (c - d), then (a - c) is : A) 0.5 B) 1 C) 1.5 D) None of these Answer: Option CExplanation:(a-b) - (c+d) = 6 (c-d)-(a+b) = 3$\Rightarrow$ (a-c) - (b+d) = 6 and (c-a) - (b+d) = 3(b+d) = (a-c) - 6 and (b+d) = (c-a)-3(a-c)-6 = (c-a) - 3 $\Rightarrow$ 2(a-c) = 3$\Rightarrow$ (a-c) = $\frac{3}{2} = 1.5$
