Latest Poornam Info Vision Aptitude Question SOLUTION: In a class of 150 students, 40 passed in Social Studies, 90 passed in Science and 30 failed in both the subjects. i) How many students passed in at most one subject among Science a

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In a class of 150 students, 40 passed in Social Studies, 90 passed in Science and 30 failed in both the subjects.
i) How many students passed in at most one subject among Science and Social Science?
a) 100
b) 110
c) 140
d) 150

ii) How many students passed in Science but failed in Social Studies?
a) 70
b) 10
c) 90
d) 80

Asked In Poornam Info Vision DAYANA BENNY (8 years ago)

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Devendra Marghade  (8 years ago)

i) b) 110

Total students passed in either one or both the subjects=150-30=120
So students passed in both the subjects=(40+90)-120=10
Students passed only in Social studies=40-10=30
Students passed only in Science=90-10=80
So students passed in at most one subject=Students passed only in Social studies+Students passed only in Science=30+80=110

ii) d) 80
Students passed in science but failed in Social studies=80

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