Question
The outer radius of a spherical shell is 9 cm, and the
thickness of the shell is 1 cm. Find the volume of the metal used for the shell (in cubic cm). (Use π = 22/7)Solution
Hence, the radius of the inner part = 9-1 = 8 cm The volume of the metal used for the shell should equal the difference between the volume of the outer and inner parts. 
The volume of the metal used for the shell is 909(1/2) cm³
How many chambers are present in the heart of a fish?
Which one of the following recently became the first India state to launch high-risk pregnancy portal?
Morarji Ranchhodji Desai, who was awarded the Bharat Ratna in 1991, served as which Prime Minister of India?Â
 Which of the statement is not true in regards to the health system during the Panwar dynasty:
Which country was the world’s largest recipient in the ‘World Bank’s Remittance Prices Worldwide Database’?
What is the term for the interest rate that a central bank charges on loans to commercial banks?
What is the strike range of the Agni IV ballistic missile, as developed by India?
The Triple Talaq Case (2017) declared instant Triple Talaq:
Portuguese were the first European nations to acquire land of Bombay in the year of
When was the first National Panchayati Raj Day observed in India?
Relevant for Exams:
