What will be the percentage share of Y in the profit earned by X, Y and Z together? I. X, Y and Z invested a total amount of ₹ 25,000 for a period of two years. II. The profit earned at the end of 2 years is 30%. III. The amount invested by Y is equal to the amount invested by X and Z together.
(a)I and II only
(b)II and III only
(c)Any two of the three
(d)All I, II and III are required
(e)Question cannot be answered even with information in all the three statements.
Answer
Answer (as printed): A
Explanation
From III, $Y=X+Z \Rightarrow$ Y's investment is $50\%$. $\therefore$ Share of Y is $50\%$. Thus, I and II are redundant. $\therefore$ Correct answer is (a).
Explanation as extracted from the printed page; notation may be imperfect.