Question

First assessment test
Part-A
Marks: 50
Choose the correct answer:
1.If n(AxB)=6 and A={1,3) then n(B) is
a)1 b)2
c)3 d)6​

Answer 1

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Answer 2

Answer:

If A=1 then,

n(1xB) = 6

nB = 6

If A=3 then,

n(3xB) = 6

3nB = 6

nB = 6/3

nB = 2