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28 Mar 2025, 00:24
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
68% (02:27) correct
32%
(02:36)
wrong
based on 176
sessions
History
Date
Time
Result
Not Attempted Yet
A survey of 200 people revealed the following preferences: 50 percent liked coffee, 40 percent liked tea, 30 percent liked juice, 20 percent liked both coffee and tea, 10 percent liked both tea and juice, 15 percent liked both coffee and juice, and 5 percent liked all three beverages. How many people liked none of the three beverages?
(A) 20
(B) 25
(C) 30
(D) 35
(E) 40
(A) 20
(B) 25
(C) 30
(D) 35
(E) 40
02 Apr 2025, 07:48
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himomaki
Total = coffee + tea + juice - (overlap of two) + (all three) + neither
100% = 50% + 40% + 30% - (20% + 10% + 15%) + 5% + neither
neither = 20%
20% of the total of 200 is 40.
Answer: E.
For the formula used, check ADVANCED OVERLAPPING SETS PROBLEMS
lakshayandaanchal
Joined: 02 Feb 2026
Last visit: 24 Apr 2026
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17 Apr 2026, 07:12
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Can someone help me in simpler terms , which formula to use and when .
I do everything right but don't know when to use which formula
I do everything right but don't know when to use which formula
