# Mathematics-Basic Geometry (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 18 - 21 of 21

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## Question number: 18

» Mathematics » Basic Geometry

MCQ▾

### Question

A horse is tied to a post by a rope. If the horse moves along a circular path always keeping the rope tight and describes 88 m when it has traced out 72° at the center, then the length of the rope is

### Choices

Choice (4) Response

a.

80 m

b.

72 m

c.

85 m

d.

70 m

## Question number: 19

» Mathematics » Basic Geometry

MCQ▾

### Question

ABCD is a quadrilateral whose diagonals intersect each other at the point O such that OA = OB = OD. If ∠OAB = 30°, then the measures of ∠ODA is

### Choices

Choice (4) Response

a.

60°

b.

90°

c.

45°

d.

30°

## Question number: 20

» Mathematics » Basic Geometry

MCQ▾

### Question

In the given figure, are congruent triangles. , then find the value of .

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 21

» Mathematics » Basic Geometry

Appeared in Year: 2013

MCQ▾

### Question

ABCD is a square with side a. With centers A, B, C and D four circles are drawn such that each circle touches externally two of the remaining three circles. Let 5 be the area of the region in the interior of the square and exterior of the circles. Then the maximum value of 8 is

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page