Try this beautiful problem Based on Number counting useful for ISI B.Stat Entrance.
In a group of 120 persons there are 70 Bengalis,35 Gujaratis and 15 Maharashtrians.Further 75 persons in the group are Muslims and the remaining are Hindus.Then the number of Bengali Muslims in the group is
Number counting
Algebra
Set
Answer: 25 or more
TOMATO, Problem 56
Challenges and Thrills in Pre College Mathematics
Find the numbers of Hindus
Can you now finish the problem ..........
Assume that all hindus are in bangalis to find the minimum numbers of muslims persons
can you finish the problem........
Given that total number of person =120
75 persons are muslims
Therefore number of Hindus are(120-75)=45
There are 70 Bengalis and we assume that 45 hindus are in Bengalis to find the minimum number of muslims.
Therefore Bengali Muslims =(70-45)=25
Hence the number of Bengali Muslims in the group is 25 or more
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