5 years ago from now, the ratio of age of 'A' and 'B'

Located 140 km away from Srinagar, Drass valley in Kargil District is often described as the “Gateway to Ladakh.” 

As soon as the TV set (A) / was installed, the quiet (B) / stillness that had existed in (C) / my aunt’s house had vanished. (D) / No Error (E)

Aditi had topped the class 1)/ and was also the most brightest 2)/ student of her class 3) as well as the complete science section 4)/ No Error.

Rise in the water level in the village and adjoining areas has laid to waterlogging and destruction of standing crops in the village.

Find the part that contains an error. Choose E if there’s no error.

Wealthier countries in Europe/ need to do far more when /it comes to stumping up/ proper resources for overseas conservation.

He reassured to his boss (a) / that he had no plans (b) / to leave the company (c) / No error (d). 

Find out the appropriate word.