World Doordarshan Day is celebrated on which of the following days?

What is the age of the International Cricket Council (ICC) to debut in international cricket?

Which establishment day is celebrated by the National Cadet Corps (NCC) on 22 November?

Which of the following Indian-origin women has been appointed by US elected President Joe Biden for his wife Jill Biden?

The second edition of the "Sitamax-20" military exercise between India, Singapore and which country has been started in Arabian Sea?

Which of the following countries has been chaired by the meeting of G-20 countries to be held in 2023?

Pipes P and Q can fill a tank in 18 and 27 minutes, respectively, whereas Pipe R can empty the full tank in 54 minutes.  P and Q were opened together for 6 minutes and then   closed and R was opened. The tank was emptied by R alone in :

The total Surface area of a solid hemisphere is 1039.5 cm². The volume ( in cm³) of the hemisphere is: (Take π=22/7)