Stack of Cards Welcome! You are encouraged to register with the site and login (for free). When you register, you support the site and your question history is saved.A stack of colored cards is sorted such that x blue cards, y red cards, and z green cards are placed on top of each yellow card, and there are no cards left over. How many yellow cards are there? (1) The numbers of blue, red, and green cards placed on a given yellow card are in the ratio 3:4:7, respectively.(2) A total of 90 blue cards, 120 red cards, and 210 green cards are placed. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient. EACH statement ALONE is sufficient. Statements (1) and (2) TOGETHER are NOT sufficient. Review Answer