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The 52 students in a certain class are divided to 7 groups. [#permalink]

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28 Jul 2008, 20:09

This topic is locked. If you want to discuss this question please re-post it in the respective forum.

The 52 students in a certain class are divided to 7 groups. Is there at least one group has no less than 12 students? (1) Two groups have exactly 2 students. (2) Four groups have no less than 10 students. A. Statement (1) ALONE is sufficient but Statement (2) ALONE is not sufficient. B. Statement (2) ALONE is sufficient but Statement (1) ALONE is not sufficient. C. BOTH Statements TOGETHER are sufficient, but NEITHER Statement alone is sufficient. D. Each Statement ALONE is sufficient. E. Statements (1) and (2) TOGETHER are NOT sufficient.

CAN WE CONSIDER A GROUP TO AHVE 0 STUDENTS?? IS IT POSSIBLE TO THINK LIKE THAT OR SHUD A GRP HAVE ATLEAST 1 STUDENT?

i feel B. 4 grps have no less than 10 -> 40 students atleast in 4 grps. so there are 12 students for the remaining 3. so there has to be less than 12 students in all the grps. so the question" Is there at least one group which has no less than 12 students" can be ans... is this ok? or am i missing smthing? its like a bloody tongue twister ... this problem...