By what per cent should the sales of Santro be increased

Pick a word opposite in meaning to Lackadaisical .

My favourite candidate gave up before the contest was even closed.

 Fill in the blanks with the appropriate antonym of the word in Italic from the options given:

Choose the synonym of Efficacy 

Find the word with the appropriate similar meaning of the word in Italic from the options given:

Select the most appropriate ANTONYM of the bold word.

There exists rancour  between the two brothers.

Choose the option that is an antonym of the word in capitals.

 The boy is PUNISHED and so cannot go out to play with his friends.