Questions

The first large scale electrical air conditioning was invented and used in 1902 by

If the diameter of a sphere is 14 cm, then what is the surface area (in sq.cm) of the sphere?

The Agra fort was built by ___________.

Who invented the thermos flask?

Who discovered the colour photography?

Who Invented Neon Lamp?

Gandhiji's 'Satyagraha' meant an attachment to the following two elements

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Once again, a _____________ monsoon so vital to India's economic fortunes has left some states in shambles. From Assam to Karnataka, heavy rainfall in a ____________ has created paralysing floods that have taken a _______________, wiped out crops and destroyed hard-earned assets. When the waters ___________, a familiar cycle of assessment of damage by Central teams, preparation of loss estimates and expensive ____________ work such as repairs of river embankments, will follow.

a _____________ monsoon so vital to India's economic fortunes