Geometry (SSC CGL (SSC Combined Graduate Level) Mathematics): Questions 1 - 6 of 29

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Question number: 1

» Geometry

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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

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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

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MCQ▾

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

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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

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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

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MCQ▾

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

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