A shelf has 4 books, of which 2 are of science and 2 are of social studies. In how many ways can we select 3 books from the

Question

A shelf has 4 books, of which 2 are of science and 2 are of social studies. In how many ways
can we select 3 books from the shelf such that we have atleast one science book and atleast
one social studies book ?
A) 7
B) 8
C) 4
D) 6

Kunduz · Accepted Answer

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