Mathematics-Basic Geometry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 19 - 24 of 41

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Question number: 19

» Mathematics » Basic Geometry

MCQ▾

Question

With the vertices of a ABC 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: 20

» Mathematics » Basic Geometry

MCQ▾

Question

If q is the mean proportional between p and r, then p2q2+r2p2q2+r2 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: 21

» 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: 22

» 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: 23

» 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

The image is trapezoid with triangle and square

The Image Is Trapezoid With Triangle and Square

Find the area of trapezoid

Choices

Choice (4) Response

a.

a32+32a3

b.

a22+38a2

c.

a3+3a3

d.

a32+34a3

Question number: 24

» Mathematics » Basic Geometry

MCQ▾

Question

In figure ABCD , if x=43y and y=38z , then find the value of x.

two parallel lines making a Trapezoid

Two Parallel Lines Making a Trapezoid

Find the value of angle by using given values

Choices

Choice (4) Response

a.

36°

b.

96°

c.

48°

d.

Question does not provide sufficient data or is vague

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