Answer : Option BExplaination / Solution:
Jawahar Navodaya Vidyalay are Government supported schools in Indian districts, to provide education and scope for talented children from rural areas. The idea was conceived by former Prime Minister Rajiv Gandhi and accordingly the first schools were set up in 1985-86 in two districts - Jhajjar (Haryana) and Amaravati (Maharashtra).
Answer : Option BExplaination / Solution:
Attributes assigned to variables may have the same units as the variable or have no units . If you want to store data that requires units different from those of the associated variable, it is better to use a variable than an attribute.
Answer : Option DExplaination / Solution:
First synchronous census in India was held in 1881. Since then, censuses have been undertaken uninterruptedly once every ten year.