Instructions

Each of these questions has a problem and two statements, number I and II. Decide if the information given in the statement is sufficient for answering the problem. Mark the answer as

Question 118

What is the value of $$b$$ ?
I. $$2 a - b = 3$$
II. $$a = b - (1 - a)$$

Solution

Statement I : $$2 a - b = 3$$

There are no specific values of $$a$$ and $$b$$, hence I alone is not sufficient.

Statement II : $$a = b - (1 - a)$$

=> $$a=b-1+a$$

=> $$b=1$$

$$\therefore$$ Statement II alone is sufficient to find the value of $$b$$.

=> Ans - (B)

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