generosity (N.) : more than is necessary ; lavishness.
frugality (N.) : using only as much money as is necessary

Correct Option: B

generosity (N.) : more than is necessary ; lavishness.
frugality (N.) : using only as much money as is necessary

taciturn (Adj.) : tending not to say very much.
garrulous (Adj.) : talkative ; talking a lot.

Correct Option: D

taciturn (Adj.) : tending not to say very much.
garrulous (Adj.) : talkative ; talking a lot.

superficial (Adj.) : not serious ; shallow.
profound (Adj.) : very great ; very serious ; wise

Correct Option: A

superficial (Adj.) : not serious ; shallow.
profound (Adj.) : very great ; very serious ; wise

firm (Adj.) : not likely to change; strongly fixed.
fickle (Adj.) : changing frequently, especially as regards one’s loyalties or affections; changeable; variable
debilitating (V.) : to make somebody’s body/mind weaker
repulsive (Adj.) : prossessing the ability to repel
yielding (Adj.) : tending to give in/surrender/agree

Correct Option: B

firm (Adj.) : not likely to change; strongly fixed.
fickle (Adj.) : changing frequently, especially as regards one’s loyalties or affections; changeable; variable
debilitating (V.) : to make somebody’s body/mind weaker
repulsive (Adj.) : prossessing the ability to repel
yielding (Adj.) : tending to give in/surrender/agree

confident (Adj.) : feeling sure about your own ability to do things, feeling certain.
diffident (Adj.) : not having much confidence in yourself; shy

Correct Option: C

confident (Adj.) : feeling sure about your own ability to do things, feeling certain.
diffident (Adj.) : not having much confidence in yourself; shy