Multiple choice

Following questions contain two statements as statement I and statement II. You have to determine which statement/s is/are necessary to answer the question and give answer as, X, Y and Z together started a business. What is Y's share? Statement I: The amount invested by X and Z is twice the amount invested by Y and the ratio of amount invested by X and Y is 4: 5. Statement II: Investment time of X and Y is 9 months and 6 months respectively more than investment time of Z.

  1. The data in statement I alone is sufficient to answer the question, while the data in statement II alone is not sufficient to answer the question

  2. The data in statement II alone is sufficient to answer the question, while the data in statement I alone is not sufficient to answer the question

  3. The data either in statement I alone or in statement II alone is sufficient to answer the question

  4. The data given in both statements I and II together are not sufficient to answer the question and

  5. The data given in both statements I and II together are necessary to answer the question.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

From Statement I: X + Z = 2Y and X:Y = 4:5. If Y = 9000, then X = 7200 and Z = 10800. We have investment ratios but no information about total profit or individual time periods for profit distribution. Statement II only gives time relationships without actual values. Together, they're still insufficient as we don't know Z's time period or total profit.

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