Question

If the profits earned by X, Y and Z are in the ratio of 3 : 5: 9, respectively and the
period for which each of them invested the amount in business is in the ratio of 3
4: 6 for X, Y and Z, respectively, then what is the ratio of the investment of X, Y and
Z?​

Answer 1

Answer:

When investment ratio is given, the profit of X can be found out if total profit is known. Therefore, statement (III) alone is sufficient.