A student has 5 courses to take from Mathematics and phys...
A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics?
48
12
10
7
Correct answer is B
Mathematics = 4C3=4
Physics = 3C2=3
∴ He can choose in 4 x 3 = 12 ways.
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