IMO- Mathematics Olympiad (SOF) Class 9: Questions 428 - 432 of 919

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Question number: 428

» Surface Area and Volumes

MCQ▾

Question

A circular park of 60 metre diameter has a circular path just inside the boundary of width 3 metre. The area of path is ________

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 429

» Surface Area and Volumes

MCQ▾

Question

Volume of a hemisphere is 27500 cubic cm. The total surface area is ________.

Choices

Choice (4) Response

a.

4158.45 sq. cm

b.

5246.89 sq. cm

c.

6548.23 sq. cm

d.

9584.12 sq. cm

Question number: 430

» Triangles and Circles

MCQ▾

Question

In the figure , and . Then K equals ________

iven the figure line xy equal to XZ and XN equal to XM

Iven the Figure Line Xy Equal to XZ and XN Equal to XM

Given the figure line xy equal to XZ and XN equal to XM and find the value of k

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 431

» Triangles and Circles

MCQ▾

Question

In the given figure, AD is the bisector of and. Then, are congruent by which criterion?

Given the AD is the bisector of A and AB is equal to AC

Given the AD Is the Bisector of a and AB Is Equal to AC

Given the AD is the bisector of A and AB is equal to AC find the triangle ADC and ADB are congruent by which criterion

Choices

Choice (4) Response

a.

SAS

b.

AAA

c.

ASA

d.

All of the above

Question number: 432

» Surface Area and Volumes

MCQ▾

Question

A cylinder and a cone have the same height and same radius of the base. The ratio between the volumes of the cylinder and the cone is ________

Choices

Choice (4) Response

a.

b.

c.

d.

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