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Aptitude Test
Verbal Reasoning
Logical Reasoning
NCC Bank Limited
Computer Science
বাংলা ভাষা ও সাহিত্য
ইসলামিয়াত প্রশ্ন
GK
43th Bcs Preliminary
"Education-Instruction-Inspiration"
Aptitude Test
Verbal Reasoning
Logical Reasoning
NCC Bank Limited
Computer Science
বাংলা ভাষা ও সাহিত্য
ইসলামিয়াত প্রশ্ন
GK
43th Bcs Preliminary
1.
In an examination, 34% of the students failed in mathematics and 42% failed in English. If 20% of the students failed in both the subjects, then find the percentage of students who passed in both the subjects was:
[Pubali Bank Officer(Cash)-2014 : 2014]
1. 44
1
2. 50
2
3. 54
3
4. 56
4
Answer
Answer
: 44%
Explanation
:
n (A) = 34, n (B) = 42, n (A ∩ B) = 20.
So, n (A U B) = n (A) + n(B) - n(A ∩B) = 34 + 42 - 20 = 56.
Percentage failed in either or both the subjects = 56.
so, percentage passed = (100 - 66)% = 44%. (Ans)
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