Question

Q 44/45 Let A (x:x is a multiple of 7 and 50 < x <
60, XE M) then n(A) is
1
Zero​

Answer 1

Answer:

n(A) = 1

Step-by-step explanation:

Because,

Given is A = (x:x is a multiple of 7 and 50 < x<60,x belongs to M)

So x is 7× 8 = 56

There fore A = {56} and n(A) = 1.

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