Question

six students a, b, c, d, e, f have to choose 2 subjects cash out of physics, chemistry, maths, and economics such that no two students choose the same pair of subjects
a) c, d, and f have one subject in common. similarly a, e, f have also one subject in common. in both cases, the subjects are neither maths nor economics
b) the subjects chosen by a were entirely different from d.
c) one subject chosen by a matched with one of the subjects of b and this subject was not economics
d) one of the subjects of c was physics.

Q1. How many students having 2 subjects you determine?

Q2. What subject are choose by C?

Q3. What is the common subject between B & F?​

Answer 1

Explanation:

1. B and. F
2. Physics
3. They had comon subject Maths or chemistry.

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Answer 2

Answer:3

Explanation: easy