The following question contain three sets each of three sentences of which none/one/two/all may be incorrect. Which of them are incorrect?

1. Even though the newly developed seed did bring in a better crop, the farmers were not specious about the next year.
2. It is easy to explain the preference of aficionados of coffee to Robusta over Arabica.
3. The 'Padmashri' was a handsome reward to the distinguished scientist who had worked tiresomely for developing an electronic device for keeping pests away.

A. 1 and 2

B. 2 and 3

C. 1 and 3

D. None

• D. None
  The meaning of the 3 sentences are grammatically correct.
  
• 10 years agoHelpfull: Yes(7) No(4)
• may be none
  
• 10 years agoHelpfull: Yes(2) No(0)
• 3. The 'Padmashri' was a handsome reward to the distinguished scientist who had worked tiresomely "ON" developing an electronic device for keeping pests away.
• 10 years agoHelpfull: Yes(2) No(0)
• It should be option B
  bcoz in 2nd option it should be Arabica to Robusta
  and in 3rd one tiresomely should be written as tirelessly
• 9 years agoHelpfull: Yes(1) No(1)
• D.none
  The meaning of the 3 sentences are grammatically correct.
• 9 years agoHelpfull: Yes(0) No(1)