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NABARUN SEN

· started a discussion

· 1 Months ago

explanation (Question: 210763.0 )

explanation needed

Question:
In a group of people, 28 persons read Hindi, 22 persons read History and 16 person read  Geography. In that group, if 7 persons read exactly two subjects and 2 persons read all three subjects, then how many persons are there in the group ?
Options:
A) 55
B) 57
C) 60
D) None of these
Solution:
Ans: (a);


28 persons - Hindi

22 Persons - History

16 Persons - Geography

No. of persons read exactly two subjects = 7

No. of persons read all the three subjects = 2


Total number of persons = 28 + 22+16 - (7+2+2) = 66 - 11 = 55

Knowledge Expert

· commented

· 1 Months ago

Dear Student,
we have inserted the detailed explanation..
Hope you have a great learning with us!!
All the Best,
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