Question
The outer radius of a hollow metallic spherical ball is
12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal used in making this ball.Solution
Inner radius of the ball= (12-6) =6cm Required volume= 4Ï€/3 (12³ -6³) =4Ï€/3(1728-216) = =4Ï€/3 ×1512=2016Ï€Â
Match the phrases in Column 1 with the phrases in Column 2.
Match Column I and Column II and choose the correct match from the given choice
In the following questions, there are three columns, and each column contains three phrases. Choose one phrase from each column to create a sentence ...
In the following questions two columns are given containing three sentences/phrases each. In first column, sentences/phrases are A, B and C and in the ...
Column (1)
Match Column I and Column II and choose the correct match from the given choice
Match Column I and Column II and choose the correct match from the given choices
Column (1)
Column (1)
Column (2)
(A) Scientists from around the world including India
(D) the role played by various groups in addressing clim...