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15 Sep 2021, 03:30
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (01:30) correct
20%
(01:53)
wrong
based on 197
sessions
History
Date
Time
Result
Not Attempted Yet
Percy, Quincy, and Randy ate 15 slices of pizza combined. How many slices of pizza did Percy eat?
(1) Percy ate half as many slices of pizza as did Quincy, and one more slice of pizza than did Randy.
(2) The sum of the number of slices that Percy and Randy ate combined is one fewer than the number of slices that Quincy ate.
(1) Percy ate half as many slices of pizza as did Quincy, and one more slice of pizza than did Randy.
(2) The sum of the number of slices that Percy and Randy ate combined is one fewer than the number of slices that Quincy ate.
15 Sep 2021, 03:39
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Option A
Question - Percy (P) + Quincy (Q) + Randy(R) = 15 slices
(1) 2P = Q and P = R + 1
Hence P + 2P + P - 1 = 15
P = 4, Q = 8, R = 3
(2) P+R = Q - 1
No information about distribution between P and R hence insufficient
Question - Percy (P) + Quincy (Q) + Randy(R) = 15 slices
(1) 2P = Q and P = R + 1
Hence P + 2P + P - 1 = 15
P = 4, Q = 8, R = 3
(2) P+R = Q - 1
No information about distribution between P and R hence insufficient
15 Sep 2021, 22:54
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Bunuel
Question requires one unique value to answer :
total 15 slices
statement 1 :
p = 2q
p = r + 1
based on these equations we can arrive at the unique value for p. Hence sufficient.
Statement : 2
Not sufficient as Q can take multiple value (no unique value). Not sufficient.
Answer : A
