Simplify the expression and find the value of 'x'

Which sport is played by the Indian sportsperson Anjum Chopra? 

Who was the progenitor of the prolific Jaipur-Atrauli gharana?

Nirmala Sitharaman is a member of the Rajya Sabha, she has been elected from which states?

 By the year 2050, India will surpass China as the most populous country in the world, with an estimated ______ people.

What is the chemical formula for the aldehyde group?

Who issued guidelines for the microfinance institutions in India?

'Huli Vesha' is a popular folk dance in the coastal region of ________.

The study of sound & sound waves-