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Saira

· started a discussion

· 1 Months ago

how radius became 4r? (Question: 190189.0 )

how is the radius of the cylinder became 4r?
please elaborate !

Question:
Half of a large cylindrical tank open at the top is filled with water and identical heavy spherical balls are to be dropped into the tank without spilling the water out. If the radius and the height of the tank are equal and the height of the cylinder is four times the radius of a ball, what is the maximum number of balls that can be 

dropped  ? 

Options:
A) 12
B) 24
C) 36
D) 48
Solution:
Ans: (b) 


Knowledge Expert

· commented

· 1 Months ago

@bottom line technicals

yes you are right.

bottom line technicals

· commented

· 1 Months ago

Read question carefully ,it is given that radius is equal to height of cylender

Sandeep Modanwal

· commented

· 1 Months ago

sir cylinder ke area ko half q kar diya gaya
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