Question

Can you explain this question. 

Question no.5 please ask detail

A cylindrical term of radius 5 cm and length 9.8 cm is full of water a solid in the form of a right circular cone mounted on a hemisphere is inversed in the tub. If the radius of the hemisphere is 3.5 cm and height of the cone outside the hemisphere is 5 cm, find the volume of the water left in the tub [take pi equals to 22 by 7]

11

Can you explain 

What is 2+2

Hshdnsjz

2x

Mode

Number.      Frequency
    2.                       4
     5.                        6
    8.                          7
     10.                       5
       12.                     2

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