# Coordinate Geometry (IMO- Mathematics Olympiad (SOF) Class 10): Questions 84 - 86 of 86

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## Question number: 84

» Coordinate Geometry

MCQ▾

### Question

The incomes of A, B and C are in the ratio and their spending are in the ratio. If A saves of his income, then the savings of are in the ratio________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 85

» Coordinate Geometry

MCQ▾

### Question

In the given figure, BD is the diameter of the circle with centre O, . Then y equals________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 86

» Coordinate Geometry

MCQ▾

### Question

How many sides does a regular polygon have, whose interior angle is eight times its exterior angle?

### Choices

Choice (4) Response

a.

20

b.

18

c.

16

d.

24

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