 L and M do not play Hockey and Badminton.

 K plays Cricket.

 M does not play Volleyball.

 does not play Badminton.

So, final arrangement is:

So, L plays Volleyball.

Hence, option A is the correct answer.

Nikhil was approaching Tabu to kill her, so in self-defense Tabu killed Nikhil.

So Event A is the effect and event B is its immediate and principal cause

Hence, option A is the correct answer.

Hence, option A is the correct answer.

So, assumption 1 is implicit. Assumption 2 is implicit because it can also assume that the University is conscious about the future of students

Hence, option D is the correct answer.

Statement (A) is wrong because John is a famous sportsperson and earns huge amounts from advertisement. While conclusion (1) talks about all famous players.

According to conclusion (3) John being popular advertises only products and it is not clear from the conclusion. Hence it is wrong.

II. Conclusion (2) seems to be true, because John is a fit and active sportsperson and this is clear in statements.

Therefore, only conclusion (2) follows the statements logically.

Hence, option A is the correct answer.

Statement:

Only students who work hard get good grades.

Conclusions:

I. Hard work is necessary for success.(it follows as it relates directly to the statement given.)

II. Success is not important for those who do not work hard. (it does not follow it does not relevant to the statement given.)

So, Only conclusion I follows.

Hence, option A is the correct answer.

Statement:

If you want good education for kids admit them to private schools.

Assumptions:

1. Only private schools provide good teachers. (it is not implicit.)

2. Paying hefty fees is worth the tutoring offered at private schools. (it is also not implicit.)

So, neither assumption 1 nor 2 is implicit.

Hence, option A is the correct answer.

Statement:

The teacher scolded Amit in the presence of the whole class.

Conclusions:

I. The teacher dislikes Amit.(It does not follow as scolding on someone does not justify like or dislike someone.)

II. The class did not like Amit. (It also does not follow as scolding on someone does not justify like or dislike someone.)

So, Neither conclusion I nor II follows.

Hence, Option B is the correct answer.

Nowhere from the statement can it be assumed that the assurance is unrealistic.
Whereas, in the second assumption, the marketing executive is actually stating the same so that people invest and people would want to definitely invest to increase their income.

Hence, option B is the correct answer.

Statement:

“Please do not use medicines during pregnancy” –Medical advice by a doctor.

Assumptions:

1. Use of medicine will cause problems during pregnancy.(It is implicit as using medicines during pregnancy may cause problems.)

2. Medicines taken during pregnancy are very costly.(It is not implicit as cost has nothing to do with the advice given by doctor.)

so, Only assumption 1 is implicit.

Hence, option B is the correct answer.