# Mathematics-Basic Geometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 8 - 13 of 42

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## Question number: 8

» Mathematics » Basic Geometry

MCQ▾

### Question

With the vertices of a as center three circles are described, each touching the other two circles externally. If the sides of the triangle are 9 cm, 7 cm and 6 cm. Then, the radiuses of the circles are

### Choices

Choice (4) Response

a.

4, 5, 2

b.

4, 5, 6

c.

3, 2, 3

d.

All of the above

## Question number: 9

» Mathematics » Basic Geometry

MCQ▾

### Question

If q is the mean proportional between p and r, then is equal to

### Choices

Choice (4) Response

a.

p 2 q 3

b.

q 4

c.

q 3

d.

p 2 r 2 q 4

## Question number: 10

» Mathematics » Basic Geometry

MCQ▾

### Question

The ratio between the numbers of sides of two polygons is 2: 1 and the ratio between their interior angles is 4: 3. The numbers of sides of these polygons are, respectively

### Choices

Choice (4) Response

a.

8, 4

b.

10, 5

c.

12, 6

d.

14, 7

## Question number: 11

» Mathematics » Basic Geometry

MCQ▾

### Question

Four angles of a 8-sided figure are each 154°. If the remaining four angles are equal, then the measure of each angle is

### Choices

Choice (4) Response

a.

116°

b.

100°

c.

110°

d.

All of the above

## Question number: 12

» Mathematics » Basic Geometry

MCQ▾

### Question

ABCD is a square of side a, ABO is an equilateral triangle and OL is perpendicular to CD. Then area of the trapezium AOLD is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 13

» Mathematics » Basic Geometry

MCQ▾

### Question

In figure , if and , then find the value of x.

### Choices

Choice (4) Response

a.

36°

b.

96°

c.

48°

d.

Question does not provide sufficient data or is vague

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