GMAT club test - word problem - overlappping sets -qn:3

Question

Hi

If 25% of the company's employees contribute at least 4% of their salary to the Charity Fund, what percent of the company's employees contribute at least 5% of their salary to the Charity Fund?

20% of the company's employees contribute at least 4% but less than 5% of their salary to the Charity Fund
95% of the company's employees contribute less than 5% of their salary to the Charity Fund

For this question, the explanation is based on assumption that all 100% employees give something to charity,but this was never mentioned in teh question or choices.

althought statement 2 says 95% of the employees contribute less than 5% , can we not assume this 95% include persons contributing 5%, between 5% and 4% , 4% and less than 4%....someone please explain

dzyubam · Answer

I think we'll have to add a clarification to the stem. Thank you, +1.

You can't assume anything of that kind. This figure (95%) obviously can't include those who contributes exactly 5%. I'm not sure I understand why you need to assume that kind of thing?

firang · Answer

bumping this question. I have no idea, how to even approach this problem, the wording is so confusing, I tried to seperate the employees into 3 categories who give.............at least 4%........................at least 4% but less than 5%................those who give 5% .............................25%.............................................20% I'm not sure how to proceed here, someone please help.

GMAT club test - word problem - overlappping sets -qn:3

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