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17 Nov 2021, 08:00
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B
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Difficulty:
45%
(medium)
Question Stats:
63% (01:35) correct
37%
(01:36)
wrong
based on 287
sessions
History
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On Christmas, a class teacher gave a gift pack to each student present in a class. Each pack had x chocolates, y biscuits and z toffees. How many students were there in the class?
(1) Each student received chocolates, biscuits and toffees in the ratio 1:2:4.
(2) The class teacher distributed a total of 7 chocolates, 14 biscuits and 28 toffees and the number of students present in the class was more than 1.
(1) Each student received chocolates, biscuits and toffees in the ratio 1:2:4.
(2) The class teacher distributed a total of 7 chocolates, 14 biscuits and 28 toffees and the number of students present in the class was more than 1.
17 Nov 2021, 08:48
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(1) Each student received chocolates, biscuits and toffees in the ratio 1:2:4.
Only ratios would not be sufficient to determine counts
(2) The class teacher distributed a total of 7 chocolates, 14 biscuits and 28 toffees and the number of students present in the class was more than 1.
Since we have 7 chocolates and we are informed that the class has more than 1 student, this is sufficient.
7 cannot be broken down further apart from taking 7 students in the class. We cannot do 7/2 or 7/3 etc as 7 is a prime number. This is further complemented by the fact that we can evenly distribute 14 biscuits and 28 toffees among 7 students
Option B
Only ratios would not be sufficient to determine counts
(2) The class teacher distributed a total of 7 chocolates, 14 biscuits and 28 toffees and the number of students present in the class was more than 1.
Since we have 7 chocolates and we are informed that the class has more than 1 student, this is sufficient.
7 cannot be broken down further apart from taking 7 students in the class. We cannot do 7/2 or 7/3 etc as 7 is a prime number. This is further complemented by the fact that we can evenly distribute 14 biscuits and 28 toffees among 7 students
Option B
18 Nov 2021, 02:57
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sanjitscorps18
Hey Sanjitscorps18
i dont think that is the way it is supposed to be solved, as far as my knowledge correct me if I'm wrong.
