Geometry (SSC CGL (SSC Combined Graduate Level) Mathematics): Questions 1  6 of 29
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Question number: 1
» Geometry
Question
Three spherical balls of radius 3 cm, 4 cm and 5 cm are melted to form a single spherical ball. In the process, the loss of material is 50%. The radius of the new ball is
Choices
Choice (4)  Response  

a.  15 cm 

b.  10.4 cm 

c.  12.1 cm 

d.  7 cm 

Question number: 2
» Geometry
Question
Three spherical balls of radius 2 cm, 4 cm and 6 cm are melted to form a single spherical ball. In the process, the loss of material is 25%. The radius of the new ball is
Choices
Choice (4)  Response  

a.  6 cm 

b.  5 cm 

c.  2 cm 

d.  3 cm 

Question number: 3
» Geometry
Question
Three spherical balls of radius 1 cm, 2 cm and 3 cm are melted to form a single spherical ball. In the process, the loss of material is 25%. The radius of the new ball is
Choices
Choice (4)  Response  

a.  6 cm 

b.  2 cm 

c.  5 cm 

d.  3 cm 

Question number: 4
» Geometry
Question
If the length of rectangle is diminished in the ratio 8: 7 and its breadth is increased in the ratio 5: 6 then its area will be increased in the ratio
Choices
Choice (4)  Response  

a.  7: 8 

b.  20: 21 

c.  14: 15 

d.  6: 5 

Question number: 5
» Geometry
Question
If the length of rectangle is increased in the ratio 2: 3 and its breadth is reduced in the ratio 7: 2 then its area will be reduced in the ratio
Choices
Choice (4)  Response  

a.  10: 7 

b.  21: 4 

c.  7: 6 

d.  7: 3 

Question number: 6
» Geometry
Question
If the length of rectangle is increased in the ratio 6: 7 and its breadth is diminished in the ratio 5: 4 then its area will be diminished in the ratio
Choices
Choice (4)  Response  

a.  8: 7 

b.  9: 8 

c.  15: 14 

d.  17: 16 
