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Aditya Kumar

· started a discussion

· 1 Months ago

incorrect answer (Question: 111082.0 )

since 2 is common in both sets wont the no. of relations be option d?

Question:
If A is the set of even natural less than 8 and B is the set of prime number less than 7, then the number of relation become A to B is:
Options:
A) 29
B) 92
C) 32
D) 29 - 1
Solution:
Ans: (a)

Number of possible relations from A to B is given by 2mxn

Where, m = number of elements of A,

n = number of elements of B,

So, here A = {2, 4, 6}, B = {2, 3, 5}

\(\therefore\) Number of possible relations = 23x3 = 29

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Given answer is correct, here set of pair (2,2) take only one time. thus given answer is correct.

Keep learning keep solving
Best wishes
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