Data Sufficiency (DS) | Re: What fraction of the students at John Bob Memorial High School are

Consider a 4x3 grid with Ranchers and Non Ranchers + Farmers and non farmers

(1) 3/4 of the students at John Bob Memorial High School are ranchers
This tells us total ranchers are 3/4 and total non ranchers are 1/4
Doesnt answer question so insufficient.

(2) Exactly 1/5 of the students at John Bob Memorial High School are farmers but not ranchers
This tells us farmers but not ranchers are 1/5 and non farmers but not ranchers are 4/5
Doesnt answer question so insufficient

Both together: Total non ranchers
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Statistics : Posted by nivivacious • on 29 Aug 2023, 01:30 • Replies 1 • Views 79

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