Question

Пс
9. S is a finite set of positive integers, each of which is divisible by 2 or 5 or 11. Among
the elements of S, 195 are multiples of 2, 170 are multiples of 5, 140 are multiples
of 11, 80 are multiples of 10, 45 are multiples of 22, 30 are multiples of 55 and 20
are multiples of 110. Find the number of elements in S and find how many of them
are divisible by 2 or 5 but not by 11.​

Answer 1

Answer:

Пс

9. S is a finite set of positive integers, each of which is divisible by 2 or 5 or 11. Among

the elements of S, 195 are multiples of 2, 170 are multiples of 5, 140 are multiples

of 11, 80 are multiples of 10, 45 are multiples of 22, 30 are multiples of 55 and 20

are multiples of 110. Find the number of elements in S and find how many of them

are divisible by 2 or 5 but not by 11.

Step-by-step explanation:

Пс

9. S is a finite set of positive integers, each of which is divisible by 2 or 5 or 11. Among

the elements of S, 195 are multiples of 2, 170 are multiples of 5, 140 are multiples

of 11, 80 are multiples of 10, 45 are multiples of 22, 30 are multiples of 55 and 20

are multiples of 110. Find the number of elements in S and find how many of them

are divisible by 2 or 5 but not by 11.