The outer radius of a hollow metallic spherical ball is 15 cm while the thickness of the metal used to make it is 12 cm. Find volume of the metal used in making this ball.
Inner radius of the ball = 15 - 12 = 3 cm Required volume = 4/3 × π × (153 - 33) = 4/3 × π × (3375 - 27) = 4/3 × π × 3348 = 4464π
Which of the following statements correctly use the idiom ' pour oil on troubled waters' by substituting the highlighted words?
A. If you unnece...
Persuade an unwilling person to do something by using force or threats.
Select the most appropriate meaning of the bold idiom in the given sentence. “Just add a bit of cheese to your pasta and Bob’s your uncle!” Ree...
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Select the most appropriate meaning of the given idiom.
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