IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 269 - 275 of 931

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Question 269

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Question

MCQ▾

An exterior angle of a triangle is 130˚ and one of the interior opposite angle is 45˚. Then the other two angles of a triangle are

Given the exterior angle of a triangle and interior angle

Given the Exterior Angle of a Triangle and Interior Angle

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 270

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Question

MCQ▾

If M (3,6) is the midpoint of line interval XY and X has coordinate (-1,1), find the coordinates of Y.

Choices

Choice (4)Response
a.(11,7)
b.(6,11)
c.(7,10)
d.(7,11)

Question 271

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Question

MCQ▾

is a point, which belongs to the line________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 272

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Question

MCQ▾

The parallel sides of a trapezium are 60 cm and 77 cm and non-parallel sides are 26 cm and 26 cm. The approximate area of trapezium is ________

Choices

Choice (4)Response
a.
b.
c.
d.

Question 273

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Question

MCQ▾

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.30 feet
b.10 feet
c.60 feet
d.100 feet

Question 274

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Question

MCQ▾

The area of trapezium JKLM is ________

Given the JKLM is a trapezium

Given the JKLM is a Trapezium

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Choices

Choice (4)Response
a.
b.
c.
d.

Question 275

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Question

MCQ▾

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.
b.
c.
d.