Questions

The "aha!" experience is known as insight learning.

BP Kanungo was appointed as Deputy Governor in Reserve Bank of India (RBI) for three years. The Appointments Committee of Cabinet (ACC) has approved his appointment to the post with effect from the date of taking over the charge on or after April 3, an order issued by Personnel Ministry said. He has been appointed in place of R Gandhi, it said.
Kanungo was in March last year appointed as Executive Director in the central bank.

The last line from the file "trial" would be read twice. To avoid this, ues:

       While ( fgets (str, 80, fp) ! = NULL)

               puts (str);

Raja Ram Mohan Roy, a social and educational reformer, was an idealist who contributed immensely in eradicating social evils prevalent in the society during the 18th century.
He was popularly known as "Father of Modern India".

He was given the title of Raja by the Mughal emperor Akbar Shah II in the year 1830 as he had gone to England as an envoy of the emperor.

Pyrenees, a chief mountain in Europe, forms a part of the great mountain across Europe and Asia.

Accoustics is a subject deals with the Study of sound

Aesthetics is a Philosophy of fine arts

The science or art of flight is called Aeronautics

The science of soil management is called Agronomy.

The answer is EDUCATION

4,5,6 make up the word cat,

7th is 'i' which means me,

3rd letter is 'u' which mean you,

2,8,9,1 make up the word done, which means completed

and nobody can read without education.