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11 Jul 2017, 03:35
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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:
25%
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Question Stats:
87% (01:36) correct
13%
(01:22)
wrong
based on 51
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P and Q have few marbles. How many marbles does P have?
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
11 Jul 2017, 07:50
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Bunuel
P and Q have few marbles. How many marbles does P have?
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
combining both
if P=20 then q=10
or P=30 then q=20....many such pairs...
Ans E
11 Jul 2017, 08:12
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P and Q have few marbles. How many marbles does P have?
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
SOLUTION:
Statement 1: Algebraically, P=Q+10. Insufficient to get the exact value of P.
Statement 2:
(P-10)=[(Q+10)-10]
Solving this we get P=Q+10.
Combining St 1 and St 2,
No additional information is added,
So, therefore the answer is Option E.
(1) P has 10 marbles greater than what Q has.
(2) If P gives away 10 marbles to Q, he will have 10 marbles less than what Q has.
SOLUTION:
Statement 1: Algebraically, P=Q+10. Insufficient to get the exact value of P.
Statement 2:
(P-10)=[(Q+10)-10]
Solving this we get P=Q+10.
Combining St 1 and St 2,
No additional information is added,
So, therefore the answer is Option E.
