In July 2017, the Central Government has set the investment limit per fiscal year for ‘Hindu Undivided Family’ to ______ kg under ‘Sovereign Gold Bonds Scheme’.
The average of 10 numbers is 30. If at the time of calculation one number was wrongly taken as 36 instead of 69, then what will be the correct average?
What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)