IMO- Mathematics Olympiad Class 9: Questions 274 - 278 of 919

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Question number: 274

» Triangles and Circles

MCQ▾

Question

A running track is the ring formed by two concentric circles. It is 10 feet wide. The circumferences of the two circles differ by about ________.

Choices

Choice (4) Response

a.

100 feet

b.

10 feet

c.

30 feet

d.

60 feet

Question number: 275

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The area of trapezium JKLM is ________

Given the JKLM is a trapezium

Given the JKLM Is a Trapezium

Given the JKLM is a trapezium find the area

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 276

» Lines, Angles and Quadrilaterals

MCQ▾

Question

The angle between two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 60°, Then the angles of the parallelogram is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 277

» Surface Area and Volumes

MCQ▾

Question

In the given figure, the area of shaded portion is ________

Given the PQS and PQR is a triangle

Given the PQS and PQR Is a Triangle

Given the PQS and PQR is a triangle and also define the PR = 52 cm, QR = 48 cm, QS = 16 cm and PS = 12 cm find the shaded area region

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 278

» Triangles and Circles

MCQ▾

Question

In triangle HKM, the altitude from H to KM meets KM at J, and the altitude from K to HM meets HJ at S. if Equation , Equation and Equation , if Equation then the length of SJ is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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