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Modal marks for a group of 94 students is 54. Ten students got marks between 0-20, 30 students got marks between 40-60 & 14 students

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Modal marks for a group of 94 students is 54. Ten students got marks between 0-20, 30 students got marks between 40-60 & 14 students got marks between 80-100. Maximum marks in the test were 100. Find out the number of students getting between 20-40 and 60-80

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