Question 27

Seven experts N ,G, M, W, J, K and L give expert advice sessions to the XII class students. These sessions can take place either before the school, during lunch period or after the school. In scheduling these sessions the following conditions are followed.

At least two experts must hold the sessions before school.
At least three experts must hold their sessions after school.
M is not available after school and J is available only after school.
W always takes extra session during lunch.
G will take session before school only if N is also scheduled before school.

All the following statements could be true except:

Solution

The minimum number of people taking classes after school is 3.

The minimum number of people taking classes before school is 2.

Hence the maximum number of people taking classes during lunch must be 2.

Hence the number of people taking classes during lunch and after school cannot be equal.

Option D is the correct answer.

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