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I.S.I. and C.M.I. Entrance Number Theory

Number counting | TOMATO ISI BStat Objective Problem 56

Try this beautiful problem Based on Number counting. You may use sequential hints to solve the problem.

Try this beautiful problem Based on Number counting useful for ISI B.Stat Entrance.

Number counting| ISI B.Stat Entrance |Problem 56


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

  • between 10 and 14
  • between 15 and 19
  • exactly 20
  • 25 or more

Key Concepts


Number counting

Algebra

Set

Check the Answer


Answer: 25 or more

TOMATO, Problem 56

Challenges and Thrills in Pre College Mathematics

Try with Hints


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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