Ratio and Proportion (IMO- Mathematics Olympiad Class 6): Questions 46 - 50 of 80

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Question number: 46

» Ratio and Proportion

MCQ▾

Question

X’s money is to Y’s money as 3: 5 and Y’s money is to Z’s money as 7: 9. If X has Rs. 2100, Z has

Choices

Choice (4) Response

a.

Rs. 2200

b.

Rs. 4500

c.

Rs. 2500

d.

Rs. 3500

Question number: 47

» Ratio and Proportion

MCQ▾

Question

What number should be subtracted from each of the numbers 54, 71, 75 and 99 so that the remainders may be proportional?

Choices

Choice (4) Response

a.

2

b.

1

c.

3

d.

6

Question number: 48

» Ratio and Proportion

MCQ▾

Question

In a mountain climbing training center, 500 persons are trained out of which 355 are selected for international climbing competition. Ratio of non-selected persons to the selected persons is

Choices

Choice (4) Response

a.

7: 5

b.

5: 7

c.

71: 29

d.

29: 71

Question number: 49

» Ratio and Proportion

MCQ▾

Question

Ratio of shaded fraction to whole is________

Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1_1 Polygon poly1_1: Polygon [A_1, B_1, 4] Polygon poly1_1 Polygon poly1_1: Polygon [A_1, B_1, 4] Polygon poly1_1 Polygon poly1_1: Polygon [A_1, B_1, 4]

Image Made by Eight Boxes Make a Bigger Square

Find the ratio of shaded fraction to whole question figure

Choices

Choice (4) Response

a.

3: 2

b.

1: 2

c.

8: 4

d.

4: 4

Question number: 50

» Ratio and Proportion

MCQ▾

Question

Ratio of unshaded fraction to whole is________

Circle c Circle c: Circle through B with center ASector d Sector d: CircularSector [A, C, D] Sector d Sector d: CircularSector [A, C, D] Sector e Sector e: CircularSector [A, D, E] Sector e Sector e: CircularSector [A, D, E] Sector e Sector e: CircularSector [A, D, E] Sector f Sector f: CircularSector [A, E, F] Sector f Sector f: CircularSector [A, E, F] Sector g Sector g: CircularSector [A, F, G] Sector g Sector g: CircularSector [A, F, G] Sector g Sector g: CircularSector [A, F, G] Sector h Sector h: CircularSector [A, G, H] Sector h Sector h: CircularSector [A, G, H] Sector k Sector k: CircularSector [A, H, I] Sector k Sector k: CircularSector [A, H, I] Sector k Sector k: CircularSector [A, H, I] Sector p Sector p: CircularSector [A, I, C] Sector p Sector p: CircularSector [A, I, C]

Image Made by a Circle That Is Divided in Some Sectors

Find the ratio of unshaded fraction to whole question figure

Choices

Choice (4) Response

a.

7: 4

b.

3: 7

c.

7: 3

d.

4: 7

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