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Difficulty:
55%
(hard)
Question Stats:
57% (01:13) correct
43%
(01:05)
wrong
based on 157
sessions
History
Date
Time
Result
Not Attempted Yet
Goku and Vegeta are waiting in a line, are there more than 10 people waiting in the line?
(1) Counting from beginning of the line, Goku is 5th person, and counting from the end of the line, Vegeta is the 5th person.
(2) Picollo is standing between Goku and vegeta.
_________________
(1) Counting from beginning of the line, Goku is 5th person, and counting from the end of the line, Vegeta is the 5th person.
(2) Picollo is standing between Goku and vegeta.
_________________
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E as no. of people between Goku and Vegeta cannot be ascertained.
s1
line can be like this
a b c d g v e r t y
or like this
v a b c g
Insufficient
s2
totally insufficient
s1+2
knowing picollo is standing doesnt help us either
hence e
line can be like this
a b c d g v e r t y
or like this
v a b c g
Insufficient
s2
totally insufficient
s1+2
knowing picollo is standing doesnt help us either
hence e
Given Goku = G, Vegeta = V ,and Piccolo = P
(1) could be ooooGoooVoooo or oVooGo
(2) could be GPV or oooooooooGPVoooooooo or oooVPG or ....
(1+2) could be 2 cases
ooooGPVoooo or ooVPGoo
(1) could be ooooGoooVoooo or oVooGo
(2) could be GPV or oooooooooGPVoooooooo or oooVPG or ....
(1+2) could be 2 cases
ooooGPVoooo or ooVPGoo
Given - Goku and Vegeta are waiting in a line
To find - are there more than 10 people waiting in the line lets check conditions.
Assuming Goku = G, Vegeta = V ,and Piccolo = P
1st - Counting from beginning of the line, Goku is 5th person, and counting from the end of the line, Vegeta is the 5th person.
Lets assume if there are 5 persons in the line So line will look like this - V(1st/5th from last) _ _ _ _ G(5th from start)
Similarly for for 6 - _ V(2nd/5th from last) _ _ _ G(5th from start) _
Similary it will change for number of people 7, 8, not 9, 10, 11, 12.. and so on. Not sufficient.
Why not 9 because it will place both goku and vegeta on same place and that is not possible.
2nd - Picollo is standing between Goku and vegeta.
"_ G P V _" or "_ V P G _ " with these as well multiple cases are possible. Not sufficient
Now lets combine both.
i - For "_ V P G _" with n= 7
" _ _ V(5th from end) P G(5th from start) _ _ " - This case is possible
ii - For "_ G P V _" with n = 11
" _ _ _ _ G(5th from start) P V(5th from end) _ _ _ _ " This case is possible
So we are not sure about are there more than 10 people waiting in the line.
Answer E.
To find - are there more than 10 people waiting in the line lets check conditions.
Assuming Goku = G, Vegeta = V ,and Piccolo = P
1st - Counting from beginning of the line, Goku is 5th person, and counting from the end of the line, Vegeta is the 5th person.
Lets assume if there are 5 persons in the line So line will look like this - V(1st/5th from last) _ _ _ _ G(5th from start)
Similarly for for 6 - _ V(2nd/5th from last) _ _ _ G(5th from start) _
Similary it will change for number of people 7, 8, not 9, 10, 11, 12.. and so on. Not sufficient.
Why not 9 because it will place both goku and vegeta on same place and that is not possible.
2nd - Picollo is standing between Goku and vegeta.
"_ G P V _" or "_ V P G _ " with these as well multiple cases are possible. Not sufficient
Now lets combine both.
i - For "_ V P G _" with n= 7
" _ _ V(5th from end) P G(5th from start) _ _ " - This case is possible
ii - For "_ G P V _" with n = 11
" _ _ _ _ G(5th from start) P V(5th from end) _ _ _ _ " This case is possible
So we are not sure about are there more than 10 people waiting in the line.
Answer E.
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