Question: Q1. How many integers from 1 to 100 are multiples of 2 or 3? Let A be the set of integers from 1 to 100

Q1. How many integers from 1 to 100 are multiples of 2 or 3? Let A be the set of integers from 1 to 100 that are multiples of 2, then |A|=50 .Let B be the set of integers from 1 to 100 that are multiples of 3, then |B|=33 . Now |A B| is the set of integers from 1 to 100 that are multiples of both 2 and 3, and hence are multiples of 6, implying |A B| = 16.

Q2. In a conference attended by 221 people, preference for language was given as shown in figure below. Find the number of people who gave preference for all languages

Q1. How many integers from 1 to 100 are multiples of 2

Arabic English 00 21 34 ? 13 15 31 French

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