In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
Unless Geeta apologies (a)/ she should not be (b)/ allowed to go to picnic (c)/ No error (d)
Ram is superior than (a)/ Shyam in his (b)/ vision of corruption free India. (c)/ No error (d)
Neeta served as President (a)/ of the oshinara club (b)/ since ten years (c)/ No error (d)
The company is using (a)/ influence to persuade people (b)/ to buy its water purifiers (c)/ No error (d)